响应处理与数据返回专项测试

对

错

对

错

对

错

c.String(200, "{"name":"test"}")

c.JSON(200, gin.H{"name": "test"})

c.Data(200, "application/json", gin.H{"name": "test"})

c.XML(200, gin.H{"name": "test"})

c.JSON(200, "hello")

c.String(200, "hello")

c.Data(200, "text/plain", []byte("hello"))

c.XML(200, "hello")

c.JSON(302, gin.H{"redirect": "http://example.com"})

c.Redirect(302, "http://example.com")

c.Header("Location", "http://example.com")

c.String(302, "Redirecting to http://example.com")

c.String(200, filePath)

c.File(filePath)

c.JSON(200, filePath)

c.Download(filePath)

c.JSON(500, gin.H{"error": "message"})

c.AbortWithStatusJSON(500, gin.H{"error": "message"})

c.Status(500) + c.JSON(500, gin.H{"error": "message"})

c.Error(errors.New("message"))

Content-Disposition: attachment; filename="xxx.pdf" 强制浏览器下载

Content-Type: application/octet-stream 表示二进制流文件

Content-Length 设置文件大小帮助浏览器显示下载进度

Content-Disposition: inline; filename="xxx.pdf" 允许浏览器预览

400 Bad Request 用于客户端请求参数错误

401 Unauthorized 用于未登录或token无效

403 Forbidden 用于已登录但无权限访问

500 Internal Server Error 用于服务端业务逻辑错误