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&{200 OK 200 HTTP/1.1 1 1 map[Cache-Control:[private, must-revalidate] Connection:[keep-alive] Content-Type:[text/html; charset=UTF-8] Date:[Thu, 30 May 2019 06:35:03 GMT] Expires:[-1] Pragma:[no-cache] Server:[nginx] Set-Cookie:[XSRF-TOKEN=eyJpdiI6ImVZOThBVFlRZ3MzZmNsaVJmczd6Z3c9PSIsInZhbHVlIjoiSUdiSU5MblF0XC83N25iUXliMjNsNUlqTFE0MXpJQ3RLdU1LeGMrR1dmWG9pT25cL2hrd2I2ZG5iQlVnQVNTblJzZENCcm1LcTlcL3RVelZ3RFNmOWtkYlE9PSIsIm1hYyI6IjU2ZWU2MGY5NGE1OWJhNjBiZjM5YTFhNDgwMzJkNjViNDkxYmI2NGEyZmUzZGQ0N2NkNjhmZDQ5NDg2YTcyOGIifQ%3D%3D; expires=Thu, 13-Jun-2019 06:35:03 GMT; Max-Age=1209600; path=/ laravel_session=eyJpdiI6ImpPMTI0MHI2WnM2OGw2RERpN1NOaWc9PSIsInZhbHVlIjoiSjhkUUJ4TFdIN2VGSkFQd0NkcUZGXC90dkFZOG1oSE1wWGwwVnFLTm1qejVqN1VBSWlrNWdlck9ZQnQxbHRHMmVyZGdwUmlcL1hxXC9qaTY5QlFaTTNUNEE9PSIsIm1hYyI6IjI3NzA4OTZiOTcxNzFiZjM0MTgzNGNlYmMyMjc0NmY2MDJhNTUxNzRmM2YwMWNjNDQ0ODBkOTQ0NjJlMTU0Y2MifQ%3D%3D; expires=Thu, 13-Jun-2019 06:35:03 GMT; Max-Age=1209600; path=/; HttpOnly] Vary:[Accept-Encoding] X-Content-Type-Options:[nosniff]] 0xc0002349e0 -1 [chunked] false true map[] 0xc000110000 0xc0000d02c0}

map[Cache-Control:private, must-revalidate Connection:keep-alive Content-Type:text/html; charset=UTF-8 Date:Thu, 30 May 2019 06:35:03 GMT Expires:-1 Pragma:no-cache Server:nginx Set-Cookie:XSRF-TOKEN=eyJpdiI6ImVZOThBVFlRZ3MzZmNsaVJmczd6Z3c9PSIsInZhbHVlIjoiSUdiSU5MblF0XC83N25iUXliMjNsNUlqTFE0MXpJQ3RLdU1LeGMrR1dmWG9pT25cL2hrd2I2ZG5iQlVnQVNTblJzZENCcm1LcTlcL3RVelZ3RFNmOWtkYlE9PSIsIm1hYyI6IjU2ZWU2MGY5NGE1OWJhNjBiZjM5YTFhNDgwMzJkNjViNDkxYmI2NGEyZmUzZGQ0N2NkNjhmZDQ5NDg2YTcyOGIifQ%3D%3D; expires=Thu, 13-Jun-2019 06:35:03 GMT; Max-Age=1209600; path=/ Vary:Accept-Encoding X-Content-Type-Options:nosniff]

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x67d7b9]

goroutine 20255 [running]:
github.com/idoubi/goz.(*Response).GetBody(0xc012042a60, 0x0, 0x0, 0x0, 0x0, 0x0)
	/home/gs/go/pkg/mod/github.com/idoubi/[email protected]/response.go:46 +0x59
main.DownloadFile(0xc011180240, 0x3d, 0xc010990740, 0x34, 0x2)
	/home/gs/face/douban/douban.go:403 +0x35a
main.DownloadPhotos.func1(0xc011180240, 0x3d, 0xc0119fe240, 0xc00b104000)
	/home/gs/face/douban/douban.go:86 +0x12b
created by main.DownloadPhotos
	/home/gs/face/douban/douban.go:83 +0x433

body, err := response.GetBody()

// can be adjusted to
func (r *Response) GetReasonPhrase() string {
	status := r.resp.Status
	return status[strings.Index(status, " ")+1:]
}

package main

import (
	"encoding/json"
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/mikemintang/go-curl"
	"github.com/rifflock/lfshook"
	"github.com/sirupsen/logrus"
	"io/ioutil"
	"net/http"
	"net/url"
	"os"
	"strings"
)

func main() {
	pathMap := lfshook.PathMap{
		logrus.InfoLevel:  "./info.log",
		logrus.ErrorLevel: "./error.log",
	}
	Log := logrus.New()
	Log.Hooks.Add(lfshook.NewHook(pathMap, &logrus.JSONFormatter{}));

	router := gin.New()
	router.GET("/step1", func(c *gin.Context) {
		header := map[string]string{
			"Content-Type": "application/x-www-form-urlencoded",
			//"X-Requested-With": "XMLHttpRequest",
		}
		url := "http://localhost:81/step2";
		request := curl.NewRequest()
		postData := map[string]interface{}{
			"name": "zhangsan",
			"age":  18,
		};
		resp, err := request.SetUrl(url).SetHeaders(header).SetPostData(postData).Post();
		if err != nil {
			Log.Error("发生错误 => ", err);
		}

		Log.Info("请求成功，响应内容为 => ", resp.Body)
		c.String(http.StatusOK, resp.Body);
	});
	router.POST("/step2", func(c *gin.Context) {
		// 获取请求数据
		header := c.Request.Header;
		header_tmp, _ := json.Marshal(header)
		header_str := string(header_tmp)

		form := c.Request.Form;
		name := c.PostForm("name");
		age := c.Request.PostFormValue("age");
		fmt.Fprintln(os.Stdout, "form name数据 => ", name);
		fmt.Fprintln(os.Stdout, "form age数据 => ", age);
		form_tmp, _ := json.Marshal(form);
		form_str := string(form_tmp)
		c.String(http.StatusOK, "请求方式 => "+c.Request.Method)
		c.String(http.StatusOK, "请求头 => "+header_str)
		c.String(http.StatusOK, "form数据 => "+form_str)
		c.String(http.StatusOK, "接收到的name数据 => "+name)
		c.String(http.StatusOK, "接收到的age数据 => "+age)
		age2, _ := c.GetPostForm("age");
		c.String(http.StatusOK, "接收到的age数据 => "+age2)
	})

	router.GET("/step3", func(c *gin.Context) {
		client := http.Client{}
		url := "http://localhost:81/step2";
		postdata_str := "name=zhangsan&age=18";
		postdata := strings.NewReader(postdata_str);
		request, _ := http.NewRequest("POST", url, postdata);
		request.Header.Add("Content-Type", "application/x-www-form-urlencoded;");
		//request.Header.Add("X-Requested-With", "XMLHttpRequest");
		resp, err := client.Do(request);
		if err != nil {
			Log.Error("发生错误 => ", err);
		}
		defer resp.Body.Close();
		Log.Info("请求成功，响应内容为 => ", resp.Body)
		body, _ := ioutil.ReadAll(resp.Body)
		c.String(http.StatusOK, string(body));
	});

	router.GET("/step4", func(c *gin.Context) {
		client := &http.Client{}

		postValues := url.Values{}
		postValues.Add("name", "zhangsan")
		postValues.Add("age", "18")

		url := "http://localhost:81/step2";
		resp, err := client.PostForm(url, postValues)
		defer resp.Body.Close()
		if err != nil {
			fmt.Println(err.Error())
		}
		if resp.StatusCode == 200 {
			body, _ := ioutil.ReadAll(resp.Body)
			c.String(http.StatusOK, string(body));
		}

	});
	router.Run(":81");
}