61 lines
1.5 KiB
Go
61 lines
1.5 KiB
Go
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/*
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* @Author : huangzj
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* @Time : 2020/12/8 11:33
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* @Description：
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*/
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package gin
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import (
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"fmt"
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"github.com/gin-gonic/gin"
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"github.com/gin-gonic/gin/binding"
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"testing"
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)
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type formA struct {
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Foo string `json:"foo" xml:"foo" binding:"required"`
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}
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type formB struct {
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Bar string `json:"bar" xml:"bar" binding:"required"`
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}
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func TestBind(t *testing.T) {
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router := gin.Default()
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bindOnce(router) //只能绑定一次
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bindMore(router) //可以多次绑定
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}
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func bindMore(router *gin.Engine) {
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objA := formA{}
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objB := formB{}
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// 读取 c.Request.Body 并将结果存入上下文,所以下一次的读取可以从上下文中拿到，达到重复读取的目的
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// 会对性能造成轻微影响，如果调用一次就能完成绑定的话，那就不要用这个方法。
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router.GET("bindMany", func(context *gin.Context) {
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if errA := context.ShouldBindBodyWith(&objA, binding.JSON); errA == nil {
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fmt.Println(objA.Foo)
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//绑定不同的格式，这边演示xml的格式进行绑定
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} else if errB := context.ShouldBindBodyWith(&objB, binding.XML); errB == nil {
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fmt.Println(objB.Bar)
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}
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})
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}
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func bindOnce(router *gin.Engine) {
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objA := formA{}
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objB := formB{}
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//c.ShouldBind 使用了 c.Request.Body，不可重用。请求是数据流，没有存储下来则只能使用一次
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router.GET("bind", func(context *gin.Context) {
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//绑定Body数据到结构体.
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if errA := context.ShouldBind(&objA); errA == nil {
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fmt.Println(objA.Foo)
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} else if errB := context.ShouldBind(&objB); errB == nil {
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fmt.Println(objB.Bar)
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}
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})
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}
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