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440 lines
14 KiB
440 lines
14 KiB
package service
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import (
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"encoding/json"
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"errors"
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"fmt"
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"gin-vue-admin/global"
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"gin-vue-admin/model"
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"gin-vue-admin/model/request"
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"gin-vue-admin/utils"
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"io/ioutil"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"text/template"
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"gorm.io/gorm"
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)
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const (
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autoPath = "autoCode/"
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basePath = "resource/template"
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)
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type tplData struct {
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template *template.Template
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locationPath string
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autoCodePath string
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autoMoveFilePath string
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}
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//@author: [songzhibin97](https://github.com/songzhibin97)
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//@function: PreviewTemp
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//@description: 预览创建代码
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//@param: model.AutoCodeStruct
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//@return: map[string]string, error
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func PreviewTemp(autoCode model.AutoCodeStruct) (map[string]string, error) {
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dataList, _, needMkdir, err := getNeedList(&autoCode)
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if err != nil {
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return nil, err
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}
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// 写入文件前，先创建文件夹
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if err = utils.CreateDir(needMkdir...); err != nil {
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return nil, err
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}
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// 创建map
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ret := make(map[string]string)
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// 生成map
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for _, value := range dataList {
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ext := ""
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if ext = filepath.Ext(value.autoCodePath); ext == ".txt" {
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continue
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}
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f, err := os.OpenFile(value.autoCodePath, os.O_CREATE|os.O_WRONLY, 0755)
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if err != nil {
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return nil, err
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}
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if err = value.template.Execute(f, autoCode); err != nil {
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return nil, err
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}
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_ = f.Close()
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f, err = os.OpenFile(value.autoCodePath, os.O_CREATE|os.O_RDONLY, 0755)
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if err != nil {
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return nil, err
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}
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builder := strings.Builder{}
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builder.WriteString("```")
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if ext != "" && strings.Contains(ext, ".") {
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builder.WriteString(strings.Replace(ext, ".", "", -1))
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}
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builder.WriteString("\n\n")
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data, err := ioutil.ReadAll(f)
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if err != nil {
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return nil, err
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}
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builder.Write(data)
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builder.WriteString("\n\n```")
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pathArr := strings.Split(value.autoCodePath, string(os.PathSeparator))
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ret[pathArr[1]+"-"+pathArr[3]] = builder.String()
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_ = f.Close()
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}
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defer func() { // 移除中间文件
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if err := os.RemoveAll(autoPath); err != nil {
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return
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}
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}()
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return ret, nil
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}
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//@author: [piexlmax](https://github.com/piexlmax)
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//@function: CreateTemp
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//@description: 创建代码
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//@param: model.AutoCodeStruct
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//@return: err error
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func CreateTemp(autoCode model.AutoCodeStruct, ids ...uint) (err error) {
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dataList, fileList, needMkdir, err := getNeedList(&autoCode)
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if err != nil {
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return err
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}
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meta, _ := json.Marshal(autoCode)
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// 写入文件前，先创建文件夹
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if err = utils.CreateDir(needMkdir...); err != nil {
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return err
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}
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// 生成文件
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for _, value := range dataList {
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f, err := os.OpenFile(value.autoCodePath, os.O_CREATE|os.O_WRONLY, 0755)
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if err != nil {
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return err
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}
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if err = value.template.Execute(f, autoCode); err != nil {
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return err
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}
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_ = f.Close()
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}
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defer func() { // 移除中间文件
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if err := os.RemoveAll(autoPath); err != nil {
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return
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}
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}()
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bf := strings.Builder{}
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idBf := strings.Builder{}
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injectionCodeMeta := strings.Builder{}
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for _, id := range ids {
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idBf.WriteString(strconv.Itoa(int(id)))
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idBf.WriteString(";")
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}
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if autoCode.AutoMoveFile { // 判断是否需要自动转移
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for index, _ := range dataList {
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addAutoMoveFile(&dataList[index])
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}
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for _, value := range dataList { // 移动文件
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if err := utils.FileMove(value.autoCodePath, value.autoMoveFilePath); err != nil {
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return err
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}
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}
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initializeGormFilePath := filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SInitialize, "gorm.go")
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initializeRouterFilePath := filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SInitialize, "router.go")
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err = utils.AutoInjectionCode(initializeGormFilePath, "MysqlTables", "model."+autoCode.StructName+"{},")
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if err != nil {
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return err
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}
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err = utils.AutoInjectionCode(initializeRouterFilePath, "Routers", "router.Init"+autoCode.StructName+"Router(PrivateGroup)")
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if err != nil {
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return err
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}
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injectionCodeMeta.WriteString(fmt.Sprintf("%s@%s@%s", initializeGormFilePath, "MysqlTables", "model."+autoCode.StructName+"{},"))
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injectionCodeMeta.WriteString(";")
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injectionCodeMeta.WriteString(fmt.Sprintf("%s@%s@%s", initializeRouterFilePath, "Routers", "router.Init"+autoCode.StructName+"Router(PrivateGroup)"))
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// 保存生成信息
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for _, data := range dataList {
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if len(data.autoMoveFilePath) != 0 {
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bf.WriteString(data.autoMoveFilePath)
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bf.WriteString(";")
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}
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}
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if global.GVA_CONFIG.AutoCode.TransferRestart {
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go func() {
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_ = utils.Reload()
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}()
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}
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//return errors.New("创建代码成功并移动文件成功")
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} else { // 打包
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if err = utils.ZipFiles("./ginvueadmin.zip", fileList, ".", "."); err != nil {
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return err
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}
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}
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if autoCode.AutoMoveFile || autoCode.AutoCreateApiToSql {
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if autoCode.TableName != "" {
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err = CreateAutoCodeHistory(
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string(meta),
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bf.String(),
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injectionCodeMeta.String(),
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autoCode.TableName,
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idBf.String(),
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)
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} else {
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err = CreateAutoCodeHistory(
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string(meta),
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bf.String(),
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injectionCodeMeta.String(),
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autoCode.StructName,
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idBf.String(),
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)
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}
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}
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if err != nil {
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return err
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}
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if autoCode.AutoMoveFile {
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return errors.New("创建代码成功并移动文件成功")
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}
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return nil
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}
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//@author: [piexlmax](https://github.com/piexlmax)
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//@function: GetAllTplFile
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//@description: 获取 pathName 文件夹下所有 tpl 文件
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//@param: pathName string, fileList []string
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//@return: []string, error
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func GetAllTplFile(pathName string, fileList []string) ([]string, error) {
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files, err := ioutil.ReadDir(pathName)
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for _, fi := range files {
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if fi.IsDir() {
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fileList, err = GetAllTplFile(pathName+"/"+fi.Name(), fileList)
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if err != nil {
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return nil, err
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}
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} else {
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if strings.HasSuffix(fi.Name(), ".tpl") {
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fileList = append(fileList, pathName+"/"+fi.Name())
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}
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}
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}
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return fileList, err
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}
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//@author: [piexlmax](https://github.com/piexlmax)
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//@function: GetTables
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//@description: 获取数据库的所有表名
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//@param: dbName string
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//@return: err error, TableNames []request.TableReq
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func GetTables(dbName string) (err error, TableNames []request.TableReq) {
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err = global.GVA_DB.Raw("select table_name as table_name from information_schema.tables where table_schema = ?", dbName).Scan(&TableNames).Error
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return err, TableNames
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}
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//@author: [piexlmax](https://github.com/piexlmax)
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//@function: GetDB
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//@description: 获取数据库的所有数据库名
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//@return: err error, DBNames []request.DBReq
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func GetDB() (err error, DBNames []request.DBReq) {
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err = global.GVA_DB.Raw("SELECT SCHEMA_NAME AS `database` FROM INFORMATION_SCHEMA.SCHEMATA;").Scan(&DBNames).Error
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return err, DBNames
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}
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//@author: [piexlmax](https://github.com/piexlmax)
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//@function: GetDB
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//@description: 获取指定数据库和指定数据表的所有字段名,类型值等
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//@param: tableName string, dbName string
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//@return: err error, Columns []request.ColumnReq
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func GetColumn(tableName string, dbName string) (err error, Columns []request.ColumnReq) {
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err = global.GVA_DB.Raw("SELECT COLUMN_NAME column_name,DATA_TYPE data_type,CASE DATA_TYPE WHEN 'longtext' THEN c.CHARACTER_MAXIMUM_LENGTH WHEN 'varchar' THEN c.CHARACTER_MAXIMUM_LENGTH WHEN 'double' THEN CONCAT_WS( ',', c.NUMERIC_PRECISION, c.NUMERIC_SCALE ) WHEN 'decimal' THEN CONCAT_WS( ',', c.NUMERIC_PRECISION, c.NUMERIC_SCALE ) WHEN 'int' THEN c.NUMERIC_PRECISION WHEN 'bigint' THEN c.NUMERIC_PRECISION ELSE '' END AS data_type_long,COLUMN_COMMENT column_comment FROM INFORMATION_SCHEMA.COLUMNS c WHERE table_name = ? AND table_schema = ?", tableName, dbName).Scan(&Columns).Error
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return err, Columns
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}
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func DropTable(tableName string) error {
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return global.GVA_DB.Exec("DROP TABLE " + tableName).Error
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}
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//@author: [SliverHorn](https://github.com/SliverHorn)
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//@author: [songzhibin97](https://github.com/songzhibin97)
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//@function: addAutoMoveFile
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//@description: 生成对应的迁移文件路径
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//@param: *tplData
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//@return: null
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func addAutoMoveFile(data *tplData) {
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base := filepath.Base(data.autoCodePath)
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fileSlice := strings.Split(data.autoCodePath, string(os.PathSeparator))
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n := len(fileSlice)
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if n <= 2 {
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return
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}
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if strings.Contains(fileSlice[1], "server") {
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if strings.Contains(fileSlice[n-2], "router") {
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data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root, global.GVA_CONFIG.AutoCode.Server,
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global.GVA_CONFIG.AutoCode.SRouter, base)
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} else if strings.Contains(fileSlice[n-2], "api") {
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data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SApi, base)
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} else if strings.Contains(fileSlice[n-2], "service") {
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data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SService, base)
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} else if strings.Contains(fileSlice[n-2], "model") {
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data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SModel, base)
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} else if strings.Contains(fileSlice[n-2], "request") {
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data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SRequest, base)
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}
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} else if strings.Contains(fileSlice[1], "web") {
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if strings.Contains(fileSlice[n-1], "js") {
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data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Web, global.GVA_CONFIG.AutoCode.WApi, base)
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} else if strings.Contains(fileSlice[n-2], "form") {
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data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Web, global.GVA_CONFIG.AutoCode.WForm, filepath.Base(filepath.Dir(filepath.Dir(data.autoCodePath))), strings.TrimSuffix(base, filepath.Ext(base))+"Form.vue")
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} else if strings.Contains(fileSlice[n-2], "table") {
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data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
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global.GVA_CONFIG.AutoCode.Web, global.GVA_CONFIG.AutoCode.WTable, filepath.Base(filepath.Dir(filepath.Dir(data.autoCodePath))), base)
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}
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}
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}
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//@author: [piexlmax](https://github.com/piexlmax)
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//@author: [SliverHorn](https://github.com/SliverHorn)
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//@function: CreateApi
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//@description: 自动创建api数据,
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//@param: a *model.AutoCodeStruct
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//@return: err error
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func AutoCreateApi(a *model.AutoCodeStruct) (ids []uint, err error) {
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var apiList = []model.SysApi{
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{
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Path: "/" + a.Abbreviation + "/" + "create" + a.StructName,
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Description: "新增" + a.Description,
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ApiGroup: a.Abbreviation,
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Method: "POST",
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},
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{
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Path: "/" + a.Abbreviation + "/" + "delete" + a.StructName,
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Description: "删除" + a.Description,
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ApiGroup: a.Abbreviation,
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Method: "DELETE",
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},
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{
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Path: "/" + a.Abbreviation + "/" + "delete" + a.StructName + "ByIds",
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Description: "批量删除" + a.Description,
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ApiGroup: a.Abbreviation,
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Method: "DELETE",
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},
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{
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Path: "/" + a.Abbreviation + "/" + "update" + a.StructName,
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Description: "更新" + a.Description,
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ApiGroup: a.Abbreviation,
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Method: "PUT",
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},
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{
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Path: "/" + a.Abbreviation + "/" + "find" + a.StructName,
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Description: "根据ID获取" + a.Description,
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ApiGroup: a.Abbreviation,
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Method: "GET",
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},
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{
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Path: "/" + a.Abbreviation + "/" + "get" + a.StructName + "List",
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Description: "获取" + a.Description + "列表",
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ApiGroup: a.Abbreviation,
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Method: "GET",
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},
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}
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err = global.GVA_DB.Transaction(func(tx *gorm.DB) error {
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for _, v := range apiList {
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var api model.SysApi
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if errors.Is(tx.Where("path = ? AND method = ?", v.Path, v.Method).First(&api).Error, gorm.ErrRecordNotFound) {
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if err = tx.Create(&v).Error; err != nil { // 遇到错误时回滚事务
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return err
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} else {
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ids = append(ids, v.ID)
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}
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}
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}
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return nil
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})
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return ids, err
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}
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func getNeedList(autoCode *model.AutoCodeStruct) (dataList []tplData, fileList []string, needMkdir []string, err error) {
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// 去除所有空格
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utils.TrimSpace(autoCode)
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for _, field := range autoCode.Fields {
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utils.TrimSpace(field)
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}
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// 获取 basePath 文件夹下所有tpl文件
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tplFileList, err := GetAllTplFile(basePath, nil)
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if err != nil {
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return nil, nil, nil, err
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}
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dataList = make([]tplData, 0, len(tplFileList))
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fileList = make([]string, 0, len(tplFileList))
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needMkdir = make([]string, 0, len(tplFileList)) // 当文件夹下存在多个tpl文件时，改为map更合理
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// 根据文件路径生成 tplData 结构体，待填充数据
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for _, value := range tplFileList {
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dataList = append(dataList, tplData{locationPath: value})
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}
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// 生成 *Template, 填充 template 字段
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for index, value := range dataList {
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dataList[index].template, err = template.ParseFiles(value.locationPath)
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if err != nil {
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return nil, nil, nil, err
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}
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}
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// 生成文件路径，填充 autoCodePath 字段，readme.txt.tpl不符合规则，需要特殊处理
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// resource/template/web/api.js.tpl -> autoCode/web/autoCode.PackageName/api/autoCode.PackageName.js
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// resource/template/readme.txt.tpl -> autoCode/readme.txt
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autoPath := "autoCode/"
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for index, value := range dataList {
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trimBase := strings.TrimPrefix(value.locationPath, basePath+"/")
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if trimBase == "readme.txt.tpl" {
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dataList[index].autoCodePath = autoPath + "readme.txt"
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continue
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}
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if lastSeparator := strings.LastIndex(trimBase, "/"); lastSeparator != -1 {
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origFileName := strings.TrimSuffix(trimBase[lastSeparator+1:], ".tpl")
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firstDot := strings.Index(origFileName, ".")
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if firstDot != -1 {
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var fileName string
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if origFileName[firstDot:] != ".go" {
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fileName = autoCode.PackageName + origFileName[firstDot:]
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} else {
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fileName = autoCode.HumpPackageName + origFileName[firstDot:]
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}
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dataList[index].autoCodePath = filepath.Join(autoPath, trimBase[:lastSeparator], autoCode.PackageName,
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origFileName[:firstDot], fileName)
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}
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}
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if lastSeparator := strings.LastIndex(dataList[index].autoCodePath, string(os.PathSeparator)); lastSeparator != -1 {
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needMkdir = append(needMkdir, dataList[index].autoCodePath[:lastSeparator])
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}
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}
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for _, value := range dataList {
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fileList = append(fileList, value.autoCodePath)
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}
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return dataList, fileList, needMkdir, err
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}
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