进阶 www.iris-go.com 2026-10-20 02:39:14 · 13 阅读
第26章 Iris 框架表单数据处理
表单数据 学习如何在 Iris 中处理表单数据 基础表单处理 go
package main
import "github.com/kataras/iris/v12"
func main() {
app := iris.New()
app.Post("/submit", func(ctx iris.Context) {
username := ctx.FormValue("username")
email := ctx.FormValue("email")
ctx.JSON(iris.Map{
"username": username,
"email": email,
})
})
app.Listen(":8080")
}1
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文件上传 go app.Post("/upload", iris.LimitRequestBodySize(32<<20), func(ctx iris.Context) { // Get uploaded file file, info, err := ctx.FormFile("file") if err != nil { ctx.StopWithError(iris.StatusBadRequest, err) return } defer file.Close() // Save to disk dest := filepath.Join("./uploads", info.Filename) ctx.SaveFormFile(info, dest) ctx.JSON(iris.Map{ "filename": info.Filename, "size": info.Size, }) })1
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多文件上传 go app.Post("/upload-multiple", iris.LimitRequestBodySize(64<<20), func(ctx iris.Context) { // Get uploaded files form, err := ctx.MultipartForm() if err != nil { ctx.StopWithError(iris.StatusBadRequest, err) return } files := form.File["files[]"] filesInfo := make([]iris.Map, 0) for _, file := range files { // Save each file dest := filepath.Join("./uploads", file.Filename) ctx.SaveFormFile(file, dest) filesInfo = append(filesInfo, iris.Map{ "filename": file.Filename, "size": file.Size, }) } ctx.JSON(iris.Map{ "uploaded": len(files), "files": filesInfo, }) })1
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表单项验证
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文件上传 go app.Post("/upload", iris.LimitRequestBodySize(32<<20), func(ctx iris.Context) { // Get uploaded file file, info, err := ctx.FormFile("file") if err != nil { ctx.StopWithError(iris.StatusBadRequest, err) return } defer file.Close() // Save to disk dest := filepath.Join("./uploads", info.Filename) ctx.SaveFormFile(info, dest) ctx.JSON(iris.Map{ "filename": info.Filename, "size": info.Size, }) })1
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多文件上传 go app.Post("/upload-multiple", iris.LimitRequestBodySize(64<<20), func(ctx iris.Context) { // Get uploaded files form, err := ctx.MultipartForm() if err != nil { ctx.StopWithError(iris.StatusBadRequest, err) return } files := form.File["files[]"] filesInfo := make([]iris.Map, 0) for _, file := range files { // Save each file dest := filepath.Join("./uploads", file.Filename) ctx.SaveFormFile(file, dest) filesInfo = append(filesInfo, iris.Map{ "filename": file.Filename, "size": file.Size, }) } ctx.JSON(iris.Map{ "uploaded": len(files), "files": filesInfo, }) })1
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表单项验证
