miads/adslib/utils/http.go

package utils

import (
	"bytes"
	"github.com/gin-gonic/gin"
	"io/ioutil"
	"net/url"
	"strconv"
)

// 同时从querystring和body里取参数
func GetArgument(c *gin.Context, key string, defaultValue string) string {
	v := c.Query(key)
	if v != "" {
		return v
	}

	if c.Request.Body == nil {
		return defaultValue
	}

	body, _ := c.GetRawData()
	c.Request.Body = ioutil.NopCloser(bytes.NewBuffer(body))
	bodyArgs, err := url.ParseQuery(string(body))
	if err != nil {
		return defaultValue
	}

	v = bodyArgs.Get(key)
	if v != "" {
		return v
	}

	return defaultValue
}

// 同时从querystring和body里取参数
func GetIntArgument(c *gin.Context, key string, defaultValue int64) int64 {
	v := c.Query(key)
	if v != "" {
		intV, err := strconv.ParseInt(v, 10, 64)
		if err != nil {
			return defaultValue
		}
		return intV
	}

	if c.Request.Body == nil {
		return defaultValue
	}

	body, _ := c.GetRawData()
	// 写回去， 不然下一次就读取不到了
	c.Request.Body = ioutil.NopCloser(bytes.NewBuffer(body))

	bodyArgs, err := url.ParseQuery(string(body))
	if err != nil {
		return defaultValue
	}
	v = bodyArgs.Get(key)
	if v != "" {
		intV, err := strconv.ParseInt(v, 10, 64)
		if err != nil {
			return defaultValue
		}
		return intV
	}

	return defaultValue
}