\n| \n params\u5bf9\u8c61\u200b<\/p>\n<\/td>\n | \n {params: {key: value}}<\/p>\n<\/td>\n | \n \u53c2\u6570\u591a\u6216\u52a8\u6001\u751f\u6210<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u4e03\u3001\u6570\u636e\u6e32\u67d3\u5b9e\u6218\u6848\u4f8b<\/h3>\n7.1 \u7c7b\u5c01\u88c5\u5b9e\u73b0\u6570\u636e\u83b7\u53d6\u548c\u6e32\u67d3<\/h4>\nclass DataRenderer {
\n constructor(url, containerSelector) {
\n this.url = url;
\n this.container = document.querySelector(containerSelector);
\n this.init();
\n }<\/p>\n async init() {
\n try {
\n const data = await this.fetchData();
\n this.render(data);
\n } catch (error) {
\n console.error('\u6570\u636e\u83b7\u53d6\u5931\u8d25:', error);
\n }
\n }<\/p>\n async fetchData() {
\n const response = await axios.get(this.url);
\n return response.data;
\n }<\/p>\n render(data) {
\n \/\/ \u6839\u636e\u6570\u636e\u7ed3\u6784\u6e32\u67d3\u5230\u9875\u9762
\n this.container.innerHTML = `
\n <h3>${data.name}<\/h3>
\n <p>\u5e74\u9f84: ${data.age}<\/p>
\n <p>\u6027\u522b: ${data.sex}<\/p>
\n <p>\u5730\u5740: ${data.address}<\/p>
\n `;
\n }
\n}<\/p>\n \/\/ \u4f7f\u7528\u793a\u4f8b
\nconst renderer = new DataRenderer(
\n 'http:\/\/localhost:3002\/user',
\n '#app'
\n); <\/p>\n
\n\u516b\u3001JSON Server\u914d\u7f6e\u8bf4\u660e<\/h3>\n8.1 \u4ec0\u4e48\u662fJSON Server<\/h4>\njson-server\u200b \u662f\u4e00\u4e2a\u80fd\u8ba9\u524d\u7aef\u4eba\u5458\u5728\u672c\u5730\u642d\u5efaJSON\u670d\u52a1\u7684\u5de5\u5177，\u7528\u4e8e\u6a21\u62df\u540e\u7aef\u6570\u636e\u63a5\u53e3\u3002<\/p>\n \n\n\u7279\u6027<\/p>\n \u8bf4\u660e<\/p>\n<\/tr>\n \n\n| \n \u4e3b\u8981\u7528\u9014\u200b<\/p>\n<\/td>\n | \n \u524d\u540e\u7aef\u5206\u79bb\u5f00\u53d1\u65f6，\u524d\u7aef\u5148\u884c\u6a21\u62df\u6570\u636e<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u5de5\u4f5c\u6d41\u7a0b\u200b<\/p>\n<\/td>\n | \n \u540e\u7aef\u63a5\u53e3\u672a\u5f00\u53d1\u597d \u2192 \u524d\u7aef\u7528json-server\u6a21\u62df \u2192 \u540e\u7aef\u63a5\u53e3\u5f00\u53d1\u597d\u540e\u66ff\u6362URL<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u8de8\u5e73\u53f0\u200b<\/p>\n<\/td>\n | \n \u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u5373\u53ef\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u7b80\u5355\u6613\u7528\u200b<\/p>\n<\/td>\n | \n \u53ea\u9700\u8bbf\u95ee\u7279\u5b9aURL\u5373\u53ef\u67e5\u770b\u6570\u636e\u5217\u8868\u5e76\u5f00\u59cb\u901a\u4fe1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n GitHub\u5730\u5740：GitHub – typicode\/json-server: Get a full fake REST API with zero coding in less than 30 seconds (seriously) \u00b7 GitHub<\/p>\n npm\u5730\u5740：https:\/\/www.npmjs.com\/package\/json-server<\/p>\n 8.2 \u529f\u80fd\u7279\u6027<\/h4>\n\n\n\u7279\u6027<\/p>\n \u8bf4\u660e<\/p>\n<\/tr>\n \n\n| \n \u8de8\u5e73\u53f0\u517c\u5bb9<\/p>\n<\/td>\n | \n \u4e00\u4e2a\u53ef\u6267\u884c\u6587\u4ef6\u5373\u53ef\u5728\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u7b80\u5355\u6613\u7528<\/p>\n<\/td>\n | \n \u53ea\u9700\u8bbf\u95ee\u7279\u5b9aURL，\u5373\u53ef\u67e5\u770b\u6570\u636e\u5217\u8868\u5e76\u5f00\u59cb\u901a\u4fe1<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u5b89\u5168\u53ef\u9760<\/p>\n<\/td>\n | \n \u5141\u8bb8\u901a\u8fc7\u9632\u706b\u5899\u8bbe\u7f6e，\u53ea\u5f00\u653e\u6307\u5b9a\u7684\u7aef\u53e3<\/p>\n<\/td>\n<\/tr>\n | \n| \n Websocket\u4e00\u4f53\u5316<\/p>\n<\/td>\n | \n \u5185\u7f6eWeb\u670d\u52a1\u5668，\u652f\u6301WebSocket\u8fde\u63a5<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u6613\u4e8e\u96c6\u6210<\/p>\n<\/td>\n | \n \u901a\u8fc7JSON\u683c\u5f0f\u4ea4\u6362\u6570\u636e，\u4fbf\u4e8e\u524d\u540e\u7aef\u5f00\u53d1<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u9ad8\u7ea7\u529f\u80fd<\/p>\n<\/td>\n | \n \u652f\u6301\u8de8\u57df\u3001jsonp\u3001\u8def\u7531\u8ba2\u5236\u3001\u6570\u636e\u5feb\u7167\u4fdd\u5b58\u7b49<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 8.3 package.json\u811a\u672c\u914d\u7f6e<\/h4>\n{
\n "scripts": {
\n "index": "json-server –watch index.json –port 3001",
\n "db": "json-server –watch db.json –port 3002",
\n "all": "concurrently \\\\"npm run index\\\\" \\\\"npm run db\\\\""
\n }
\n} <\/p>\n \n\n\u547d\u4ee4<\/p>\n \u8bf4\u660e<\/p>\n<\/tr>\n \n\n| \n npm run index<\/p>\n<\/td>\n | \n \u542f\u52a8\u5217\u8868\u6570\u636e\u670d\u52a1（\u7aef\u53e33001）<\/p>\n<\/td>\n<\/tr>\n | \n| \n npm run db<\/p>\n<\/td>\n | \n \u542f\u52a8\u7528\u6237\u6570\u636e\u670d\u52a1（\u7aef\u53e33002）<\/p>\n<\/td>\n<\/tr>\n | \n| \n npm run all<\/p>\n<\/td>\n | \n \u540c\u65f6\u542f\u52a8\u4e24\u4e2a\u670d\u52a1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 8.4 \u6570\u636e\u6587\u4ef6\u7ed3\u6784<\/h4>\n\u7528\u6237\u6570\u636e（db.json）<\/h5>\n{
\n "user": {
\n "name": "jack",
\n "age": 18,
\n "sex": "\u7537",
\n "address": "\u5408\u80a5"
\n }
\n} <\/p>\n \u5217\u8868\u6570\u636e（index.json）<\/h5>\n{
\n "list": [
\n {
\n "id": "1",
\n "name": "\u5510\u50e7",
\n "age": 20,
\n "address": "\u4e1c\u571f\u5927\u5510"
\n }
\n ]
\n} <\/p>\n
\n\u4e5d\u3001\u5173\u952e\u77e5\u8bc6\u70b9\u603b\u7ed3<\/h3>\n9.1 \u6280\u672f\u6808\u901f\u67e5\u8868<\/h4>\n\n\n\u6280\u672f<\/p>\n \u8bf4\u660e<\/p>\n \u9002\u7528\u573a\u666f<\/p>\n<\/tr>\n \n\n| \n XMLHttpRequest\u200b<\/p>\n<\/td>\n | \n \u6d4f\u89c8\u5668\u539f\u751fAJAX API<\/p>\n<\/td>\n | \n \u9700\u8981\u624b\u52a8\u63a7\u5236\u8bf7\u6c42\u7ec6\u8282<\/p>\n<\/td>\n<\/tr>\n | \n| \n axios\u200b<\/p>\n<\/td>\n | \n \u57fa\u4e8ePromise\u7684HTTP\u5ba2\u6237\u7aef<\/p>\n<\/td>\n | \n \u7b80\u5316\u5f02\u6b65\u8bf7\u6c42\u5904\u7406<\/p>\n<\/td>\n<\/tr>\n | \n| \n async\/await\u200b<\/p>\n<\/td>\n | \n ES6\u5f02\u6b65\u7f16\u7a0b\u89e3\u51b3\u65b9\u6848<\/p>\n<\/td>\n | \n \u4f7f\u5f02\u6b65\u4ee3\u7801\u66f4\u6e05\u6670\u6613\u8bfb<\/p>\n<\/td>\n<\/tr>\n | \n| \n JSON Server\u200b<\/p>\n<\/td>\n | \n REST API\u6a21\u62df\u670d\u52a1\u5668<\/p>\n<\/td>\n | \n \u524d\u7aef\u5f00\u53d1\u65f6\u6a21\u62df\u540e\u7aef\u63a5\u53e3<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n 9.2 \u6ce8\u610f\u4e8b\u9879<\/h4>\n\n\n\u6ce8\u610f\u4e8b\u9879<\/p>\n \u8bf4\u660e<\/p>\n<\/tr>\n \n\n| \n \u54cd\u5e94\u6570\u636e\u5904\u7406\u200b<\/p>\n<\/td>\n | \n \u6ce8\u610fJSON\u5b57\u7b26\u4e32\u4e0eJavaScript\u5bf9\u8c61\u7684\u8f6c\u6362<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u8de8\u57df\u95ee\u9898\u200b<\/p>\n<\/td>\n | \n \u751f\u4ea7\u73af\u5883\u9700\u540e\u7aef\u914d\u7f6eCORS\u6216\u4f7f\u7528\u4ee3\u7406<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u8bf7\u6c42\u9519\u8bef\u5904\u7406\u200b<\/p>\n<\/td>\n | \n \u59cb\u7ec8\u4f7f\u7528try\/catch\u6216.catch()\u5904\u7406\u9519\u8bef<\/p>\n<\/td>\n<\/tr>\n | \n| \n URL\u66ff\u6362\u200b<\/p>\n<\/td>\n | \n \u540e\u7aef\u63a5\u53e3\u5f00\u53d1\u597d\u540e，\u66ff\u6362json-server\u7684URL<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u603b\u7ed3<\/h3>\n\u672c\u6587\u7cfb\u7edf\u68b3\u7406\u4e86AJAX\u7b2c\u4e00\u90e8\u5206\u7684\u5b8c\u6574\u77e5\u8bc6\u4f53\u7cfb：<\/p>\n \n\n\u4e3b\u9898<\/p>\n \u6838\u5fc3\u8981\u70b9<\/p>\n<\/tr>\n \n\n| \n AJAX\u57fa\u7840\u200b<\/p>\n<\/td>\n | \n \u5f02\u6b65\u8bf7\u6c42\u3001\u65e0\u5237\u65b0\u66f4\u65b0\u3001\u4f18\u7f3a\u70b9<\/p>\n<\/td>\n<\/tr>\n | \n| \n HTTP\/HTTPS\u200b<\/p>\n<\/td>\n | \n \u534f\u8bae\u533a\u522b\u3001\u7aef\u53e3\u5dee\u5f02\u3001\u5b89\u5168\u6027<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u72b6\u6001\u7801\u200b<\/p>\n<\/td>\n | \n 200\u6210\u529f\u3001301\/302\u91cd\u5b9a\u5411\u3001304\u7f13\u5b58\u3001403\/404\/500\u9519\u8bef<\/p>\n<\/td>\n<\/tr>\n | \n| \n \u539f\u751fXHR\u200b<\/p>\n<\/td>\n | \n \u521b\u5efa\u5bf9\u8c61\u3001open\/send\u3001readyState\u3001status\u5224\u65ad<\/p>\n<\/td>\n<\/tr>\n | \n| \n axios\u200b<\/p>\n<\/td>\n | \n \u56de\u8c03\/\u94fe\u5f0f\/async-await\u4e09\u79cd\u65b9\u5f0f\u3001params\u4f20\u53c2<\/p>\n<\/td>\n<\/tr>\n | \n| \n JSON Server\u200b<\/p>\n<\/td>\n | \n \u5b89\u88c5\u914d\u7f6e\u3001\u6570\u636e\u6587\u4ef6\u7ed3\u6784\u3001\u591a\u7aef\u53e3\u542f\u52a8<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u638c\u63e1\u8fd9\u4e9b\u5185\u5bb9，\u4f60\u5c31\u5177\u5907\u4e86\u524d\u540e\u7aef\u6570\u636e\u4ea4\u4e92\u7684\u5b8c\u6574\u80fd\u529b\u3002\u4e0b\u4e00\u7bc7\u5c06\u7ee7\u7eed\u6df1\u5165AJAX\u7684\u9ad8\u7ea7\u5e94\u7528，\u6b22\u8fce\u6301\u7eed\u5173\u6ce8！<\/p>\n","protected":false},"excerpt":{"rendered":" \u524d\u8a00
\nAJAX\u662f\u73b0\u4ee3\u524d\u7aef\u5f00\u53d1\u4e2d\u4e0e\u670d\u52a1\u5668\u4ea4\u4e92\u7684\u6838\u5fc3\u6280\u672f\u3002\u672c\u6587\u5c06\u4eceAJAX\u57fa\u7840\u6982\u5ff5\u8bb2\u8d77，\u7cfb\u7edf\u8bb2\u89e3HTTP\u534f\u8bae\u3001\u539f\u751fXMLHttpRequest\u53d1\u9001GET\u8bf7\u6c42\u3001axios\u5e93\u7684\u4f7f\u7528\u3001GET\u8bf7\u6c42\u53c2\u6570\u4f20\u9012\u3001\u6570\u636e\u6e32\u67d3\u5b9e\u6218\u4ee5\u53caJSON Server\u642d\u5efa\u6a21\u62df\u63a5\u53e3\u3002\u638c\u63e1\u8fd9\u4e9b\u5185\u5bb9，\u4f60\u5c06\u5177\u5907\u5b8c\u6574\u7684\u524d\u540e\u7aef\u6570\u636e\u4ea4\u4e92\u80fd\u529b\u3002 \u4e00\u3001\u539f\u751fAJAX\u4ecb\u7ecd
\n1.1 \u4ec0\u4e48\u662fAJAX
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