wordpress一键使用PDD客服做图库插件

jQuery(document).ready(function($) {
    $('#admin-img-file').change(function() {
        for (var i = 0; i < this.files.length; i++) {
            var f = this.files[i];
            // 第一步：获取签名
            $.ajax({
                url: 'http://你自己得服务器IP:6003/proxy?url=https://mms.pinduoduo.com/plateau/chat/ims/get_upload_sign',
                type: 'POST',
				headers: {
					'Content-Type': 'application/json',
				},
                data: '{"data":{"cmd":"get_upload_sign"}}',
                success: function(response) {
						response=JSON.parse(response);
                        var signature = response.result.data.signature;
                        var uploadUrl = response.result.data.url; // 或者 response.result.data.url
						console.log(signature);
						console.log(uploadUrl);
                        // 第二步：使用签名上传文件
                        uploadFileWithSignature(f, signature, uploadUrl);
                },
                error: function(xhr, status, error) {
                    alert('获取签名失败: ' + error);
                }
            });
        }
    });
 
    function uploadFileWithSignature(file, signature, uploadUrl) {
		console.log(file);
    if (file) {
        var reader = new FileReader();
        reader.onload = function(e) {
            // e.target.result 包含了文件的 Base64 编码字符串
            var base64String = e.target.result;
            console.log(base64String); // 在控制台中打印 Base64 编码的字符串
            // 在这里可以将 base64String 发送到服务器或进行其他操作
            // 创建一个包含文件数据和签名的 JSON 对象
            var data = {
                image: base64String,
                upload_sign: signature
            };
			$.ajax({
            url: 'http://你自己得服务器IP:6003/proxy?url='+uploadUrl,
            type: 'POST',
			headers: {
				'Content-Type': 'application/json',
			},
			data: JSON.stringify(data),
            success: function(res) {
				res=JSON.parse(res);
                $('textarea[name="content"]').insertAtCaret('<img class="aligncenter" src="' + res.url + '" />');
                $("html").find("iframe").contents().find("body").append('<img class="aligncenter" src="' + res.url + '" />');
            },
            error: function(xhr, status, error) {
                alert('图片上传失败: ' + error);
            }
			});
        };
        reader.onerror = function(error) {
            console.error('Error: ', error);
        };
        fileb=reader.readAsDataURL(file); // 读取文件内容并转换为 Base64 编码
		}
    }
 
    $.fn.extend({
        insertAtCaret: function(myValue) {
            var $t = $(this)[0];
            if (document.selection) {
                this.focus();
                sel = document.selection.createRange();
                sel.text = myValue;
                this.focus()
            } else if ($t.selectionStart || $t.selectionStart == "0") {
                var startPos = $t.selectionStart;
                var endPos = $t.selectionEnd;
                var scrollTop = $t.scrollTop;
                $t.value = $t.value.substring(0, startPos) + myValue + $t.value.substring(endPos, $t.value.length);
                this.focus();
                $t.selectionStart = startPos + myValue.length;
                $t.selectionEnd = startPos + myValue.length;
                $t.scrollTop = scrollTop
            } else {
                this.value += myValue;
                this.focus()
            }
        }
    });
});

const express = require('express');
const request = require('request');
const app = express();
// 允许所有跨域请求
app.use((req, res, next) => {
  res.header('Access-Control-Allow-Origin', '*'); // 允许所有域的请求，出于安全考虑，生产环境中应指定具体域名
  res.header('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
  res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization, Accept, X-Requested-With, Origin, Referer');
  if (req.method === 'OPTIONS') {
    res.sendStatus(204); // 预检请求直接返回204
  } else {
    next();
  }
});
// 解析 JSON 格式的请求体
app.use(express.json());
// 解析 URL 编码的表单数据
app.use(express.urlencoded({ extended: true }));
app.use('/proxy', (req, res) => {
  const targetUrl = req.query.url;
  console.log(targetUrl);
  if (!targetUrl) {
    return res.status(400).send('Missing URL parameter');
  }
  const postData = req.body;
  //console.log(req.body);
  const headers = {
 
    'Content-Type': 'application/json',
 
	'Cookie': 'imsChatKey=c05410f991e41d77dc3440865cb3fe581dc2975e; api_uid=CkNFrWcc+9mFdgCN5P99Ag=='
  };
  // 发起请求到目标服务器，并转发请求体中的数据
  //console.log(JSON.stringify(postData));
  request({
    method: 'POST',
    url: targetUrl,
    headers: headers,
    body: JSON.stringify(postData) // 将 req.body 转换为 JSON 字符串
  }, (error, response, body) => {
    if (error) {
      return res.status(500).send('Error proxying request');
    }
    res.status(response.statusCode).send(body);