package main
import (
"github.com/gin-gonic/gin"
)
func main() {
router := gin.Default()
router.POST("/form_post", func(c *gin.Context) {
message := c.PostForm("username")
nick := c.DefaultPostForm("userpassword", "？？？？") // 此方法可以設置默認值
// gin.H 實際上就是 map[string]interface{}
c.JSON(200, gin.H{
"status": "posted",
"username": message,
"userpassword": nick,
})
})
router.Run(":8080")
}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<form action="http://localhost:8080/form_post" method="post" action="application/x-www-form-urlencoded">
用戶名：<input type="text" name="username" placeholder="請輸入你的用戶名"> <br>
密 碼：<input type="password" name="userpassword" placeholder="請輸入你的密碼"> <br>
<input type="submit" value="提交">
</form>
</body>
</html>
