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38 lines
909 B
38 lines
909 B
// 空值校验工具 仅用于检验空字符串 其余类型请勿使用
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package tools
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import (
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"errors"
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"fmt"
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"reflect"
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)
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func HasGap(input interface{}) error {
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getType := reflect.TypeOf(input)
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getValue := reflect.ValueOf(input)
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// 获取方法字段
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for i := 0; i < getType.NumField(); i++ {
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field := getType.Field(i)
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value := getValue.Field(i).Interface()
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switch value.(type) {
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case string:
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if value == "" {
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fmt.Printf("%s为空", field.Name)
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return errors.New(fmt.Sprintf("%s为空", field.Name))
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}
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default:
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if value == nil {
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fmt.Printf("%s为空", field.Name)
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return errors.New(fmt.Sprintf("%s为空", field.Name))
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}
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}
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}
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// 获取方法
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// 1. 先获取interface的reflect.Type，然后通过.NumMethod进行遍历
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//for i := 0; i < getType.NumMethod(); i++ {
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// m := getType.Method(i)
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// fmt.Printf("%s: %v\n", m.Name, m.Type)
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//}
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return nil
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}
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