{"id":2735,"date":"2022-12-20T15:31:15","date_gmt":"2022-12-20T07:31:15","guid":{"rendered":"https:\/\/qaqaq.top\/?p=2735"},"modified":"2022-12-20T15:31:15","modified_gmt":"2022-12-20T07:31:15","slug":"ajax-%e4%bb%80%e4%b9%88%e6%98%afajax%e8%af%b7%e6%b1%82%e3%80%81%e5%8e%9f%e7%94%9fjavascript%e7%9a%84ajax%e8%af%b7%e6%b1%82%e7%a4%ba%e4%be%8b%e3%80%81ajax%e8%af%b7%e6%b1%82%e7%9a%84%e7%89%b9%e7%82%b9","status":"publish","type":"post","link":"https:\/\/qaqaq.top\/?p=2735","title":{"rendered":"AJAX-\u4ec0\u4e48\u662fAJAX\u8bf7\u6c42\u3001\u539f\u751fJavaScript\u7684AJAX\u8bf7\u6c42\u793a\u4f8b\u3001AJAX\u8bf7\u6c42\u7684\u7279\u70b9\u8bf4\u660e\u3001jQuery\u7684ajax\u65b9\u6cd5\u3001jQuery\u7684get\u548cpost\u65b9\u6cd5\u3001jQuery\u7684getJSON\u65b9\u6cd5\u3001jQuery\u7684serialize\u65b9\u6cd5"},"content":{"rendered":"\n

AJAX \u8bf7\u6c42<\/h1>\n\n\n\n

2.1\u3001\u4ec0\u4e48\u662f AJAX \u8bf7\u6c42<\/h2>\n\n\n\n

AJAX \u5373\u201cAsynchronous Javascript And XML\u201d\uff08\u5f02\u6b65 JavaScript \u548c XML\uff09\uff0c\u662f\u6307\u4e00\u79cd\u521b\u5efa\u4ea4\u4e92\u5f0f\u7f51\u9875\u5e94\u7528\u7684\u7f51\u9875\u5f00\u53d1\u6280\u672f\u3002<\/p>\n\n\n\n

ajax \u662f\u4e00\u79cd\u6d4f\u89c8\u5668\u901a\u8fc7 js \u5f02\u6b65\u53d1\u8d77\u8bf7\u6c42\uff0c\u5c40\u90e8\u66f4\u65b0\u9875\u9762\u7684\u6280\u672f\u3002<\/p>\n\n\n\n

Ajax \u8bf7\u6c42\u7684\u5c40\u90e8\u66f4\u65b0\uff0c\u6d4f\u89c8\u5668\u5730\u5740\u680f\u4e0d\u4f1a\u53d1\u751f\u53d8\u5316
\u5c40\u90e8\u66f4\u65b0\u4e0d\u4f1a\u820d\u5f03\u539f\u6765\u9875\u9762\u7684\u5185\u5bb9<\/p>\n\n\n\n

2.2\u3001\u539f\u751f AJAX \u8bf7\u6c42\u7684\u793a\u4f8b\uff1a<\/h2>\n\n\n\n
<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/html4\/loose.dtd\">\r\n<html>\r\n\t<head>\r\n\t\t<meta http-equiv=\"pragma\" content=\"no-cache\" \/>\r\n\t\t<meta http-equiv=\"cache-control\" content=\"no-cache\" \/>\r\n\t\t<meta http-equiv=\"Expires\" content=\"0\" \/>\r\n\t\t<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\">\r\n\t\t<title>Insert title here<\/title>\r\n\t\t<script type=\"text\/javascript\">\r\n\t\t\t\/\/\u5728\u8fd9\u91cc\u4f7f\u7528javaScript\u8bed\u8a00\u53d1\u8d77Ajax\u8bf7\u6c42\uff0c\u8bbf\u95ee\u670d\u52a1\u5668AjaxServlet\u4e2djavaScriptAjax\r\n\t\t\tfunction ajaxRequest() {\r\n\/\/ \t\t\t\t1\u3001\u6211\u4eec\u9996\u5148\u8981\u521b\u5efaXMLHttpRequest\r\n\t\t\t\tvar xmlhttprequest = new XMLHttpRequest();\r\n\/\/ \t\t\t\t2\u3001\u8c03\u7528open\u65b9\u6cd5\u8bbe\u7f6e\u8bf7\u6c42\u53c2\u6570\r\n\t\t\t\txmlhttprequest.open(\"GET\",\"http:\/\/localhost:8080\/JavaWeb_Code_AJAX\/ajaxServlet?action=javaScriptAjax\",true);\r\n\/\/ \t\t\t\t4\u3001\u5728send\u65b9\u6cd5\u524d\u7ed1\u5b9aonreadystatechange\u4e8b\u4ef6\uff0c\u5904\u7406\u8bf7\u6c42\u5b8c\u6210\u540e\u7684\u64cd\u4f5c\u3002\r\n\t\t\t\txmlhttprequest.onreadystatechange = function () {\r\n\t\t\t\t\tif (xmlhttprequest.readyState == 4 && xmlhttprequest.status == 200) {\r\n\r\n\t\t\t\t\t\talert(\"\u6536\u5230\u670d\u52a1\u5668\u8fd4\u56de\u7684\u6570\u636e\uff1a\" + xmlhttprequest.responseText);\r\n\r\n\t\t\t\t\t\tvar jsonObj = JSON.parse(xmlhttprequest.responseText);\r\n\r\n\r\n\t\t\t\t\t\t\/\/ \u628a\u54cd\u5e94\u7684\u6570\u636e\u663e\u793a\u5728\u9875\u9762\u4e0a\r\n\t\t\t\t\t\tdocument.getElementById(\"div01\").innerHTML = \"\u7f16\u53f7\uff1a\" + jsonObj.id + \",\u59d3\u540d\" + jsonObj.name;\r\n\r\n\t\t\t\t\t\t\/\/alert(xmlhttprequest.responseText);\r\n\t\t\t\t\t}\r\n\t\t\t\t}\r\n\/\/ \t\t\t\t3\u3001\u8c03\u7528send\u65b9\u6cd5\u53d1\u9001\u8bf7\u6c42\r\n\t\t\t\txmlhttprequest.send();\r\n\r\n\t\t\t\talert(\"\u6211\u662f\u6700\u540e\u4e00\u884c\u4ee3\u7801\");\r\n\t\t\t}\r\n\t\t<\/script>\r\n\t<\/head>\r\n\t<body>\r\n\t\t<a href=\"http:\/\/localhost:8080\/JavaWeb_Code_AJAX\/ajaxServlet?action=javaScriptAjax\">\u975eAjax<\/a> <br\/>\r\n\t\t<button onclick=\"ajaxRequest()\">ajax request<\/button>\r\n\t\t<div id=\"div01\">\r\n\t\t<\/div>\r\n\t\t<table border=\"1\">\r\n\t\t\t<tr>\r\n\t\t\t\t<td>1.1<\/td>\r\n\t\t\t\t<td>1.2<\/td>\r\n\t\t\t<\/tr>\r\n\t\t\t<tr>\r\n\t\t\t\t<td>2.1<\/td>\r\n\t\t\t\t<td>2.2<\/td>\r\n\t\t\t<\/tr>\r\n\t\t<\/table>\r\n\t<\/body>\r\n<\/html><\/code><\/pre>\n\n\n\n
2.3\u3001jQuery \u4e2d\u7684 AJAX \u8bf7\u6c42<\/h2>\n\n\n\n
$.ajax \u65b9\u6cd5\n\nurl     \u8868\u793a\u8bf7\u6c42\u7684\u5730\u5740\n\ntype    \u8868\u793a\u8bf7\u6c42\u7684\u7c7b\u578b GET \u6216 POST \u8bf7\u6c42\n\ndata    \u8868\u793a\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u6570\u636e\n\u683c\u5f0f\u6709\u4e24\u79cd\uff1a\n\u4e00\uff1aname=value&name=value\n\u4e8c\uff1a{key:value}\n\nsuccess     \u8bf7\u6c42\u6210\u529f\uff0c\u54cd\u5e94\u7684\u56de\u8c03\u51fd\u6570\n\ndataType    \u54cd\u5e94\u7684\u6570\u636e\u7c7b\u578b\n\u5e38\u7528\u7684\u6570\u636e\u7c7b\u578b\u6709\uff1a\ntext \u8868\u793a\u7eaf\u6587\u672c\nxml \u8868\u793a xml \u6570\u636e\njson \u8868\u793a json \u5bf9\u8c61<\/pre>\n\n\n\n
\/\/ ajax\u8bf7\u6c42\r\n\t\t\t\t$(\"#ajaxBtn\").click(function(){\r\n\r\n\t\t\t\t\t$.ajax({\r\n\t\t\t\t\t\turl:\"http:\/\/localhost:8080\/JavaWeb_Code_AJAX\/ajaxServlet\",\r\n\t\t\t\t\t\t\/\/data:\"action=jQueryAjax\",\r\n\t\t\t\t\t\tdata:{action:\"jQueryAjax\"},\r\n\t\t\t\t\t\ttype:\"GET\",\r\n\t\t\t\t\t\tsuccess:function (data) {\r\n\t\t\t\t\t\t\t\/\/alert(\"\u670d\u52a1\u5668\u8fd4\u56de\u7684\u6570\u636e\u662f\uff1a\" + data);\r\n\r\n\t\t\t\t\t\t\t\/\/var jsonObj = JSON.parse(data);\r\n\r\n\t\t\t\t\t\t\t$(\"#msg\").html(\"ajax \u7f16\u53f7\uff1a\" + data.id + \",\u59d3\u540d\uff1a\" + data.name);\r\n\t\t\t\t\t\t},\r\n\t\t\t\t\t\tdataType: \"json\"\r\n\t\t\t\t\t})\r\n\t\t\t\t\t\r\n\t\t\t\t\t\/\/alert(\"ajax btn\");\r\n\r\n\t\t\t\t});<\/code><\/pre>\n\n\n\n
$.get \u65b9\u6cd5\u548c$.post \u65b9\u6cd5\n\nurl     \u8bf7\u6c42\u7684 url \u5730\u5740\n\ndata    \u53d1\u9001\u7684\u6570\u636e\n\ncallback    \u6210\u529f\u7684\u56de\u8c03\u51fd\u6570\n\ntype    \u8fd4\u56de\u7684\u6570\u636e\u7c7b\u578b<\/pre>\n\n\n\n
\/\/ ajax--get\u8bf7\u6c42\r\n\t\t\t\t$(\"#getBtn\").click(function(){\r\n\r\n\t\t\t\t\t$.get(\"http:\/\/localhost:8080\/JavaWeb_Code_AJAX\/ajaxServlet\",\r\n\t\t\t\t\t\t\t\"action=jQueryGet\",\r\n\t\t\t\t\t\t\tfunction (data) {\r\n\t\t\t\t\t\t\t\t$(\"#msg\").html(\"get \u7f16\u53f7\uff1a\" + data.id + \",\u59d3\u540d\uff1a\" + data.name);\r\n\t\t\t\t\t\t\t},\"json\");\r\n\r\n\t\t\t\t\t\/\/alert(\" get btn \");\r\n\t\t\t\t\t\r\n\t\t\t\t});<\/code><\/pre>\n\n\n\n
\/\/ ajax--post\u8bf7\u6c42\r\n\t\t\t\t$(\"#postBtn\").click(function(){\r\n\t\t\t\t\t\/\/ post\u8bf7\u6c42\r\n\t\t\t\t\t$.post(\"http:\/\/localhost:8080\/JavaWeb_Code_AJAX\/ajaxServlet\",\r\n\t\t\t\t\t\t\t\"action=jQueryPost\",\r\n\t\t\t\t\t\t\tfunction (data) {\r\n\t\t\t\t\t\t\t\t$(\"#msg\").html(\"post \u7f16\u53f7\uff1a\" + data.id + \",\u59d3\u540d\uff1a\" + data.name);\r\n\t\t\t\t\t\t\t},\"json\");\r\n\r\n\t\t\t\t\t\/\/alert(\"post btn\");\r\n\t\t\t\t\t\r\n\t\t\t\t});<\/code><\/pre>\n\n\n\n
$.getJSON \u65b9\u6cd5\n\nurl     \u8bf7\u6c42\u7684 url \u5730\u5740\n\ndata    \u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7684\u6570\u636e\n\ncallback    \u6210\u529f\u7684\u56de\u8c03\u51fd\u6570<\/pre>\n\n\n\n
\/\/ ajax--getJson\u8bf7\u6c42\r\n\t\t\t\t$(\"#getJSONBtn\").click(function(){\r\n\t\t\t\t\t\/\/ \u8c03\u7528\r\n\t\t\t\t\t$.getJSON(\"http:\/\/localhost:8080\/JavaWeb_Code_AJAX\/ajaxServlet\",\r\n\t\t\t\t\t\t\t\"action=jQueryGetJSON\",\r\n\t\t\t\t\t\t\tfunction (data) {\r\n\t\t\t\t\t\t\t\t$(\"#msg\").html(\"getJSON \u7f16\u53f7\uff1a\" + data.id + \",\u59d3\u540d\uff1a\" + data.name);\r\n\t\t\t\t\t\t\t})\r\n\r\n\t\t\t\t\t\/\/alert(\"getJSON btn\");\r\n\r\n\t\t\t\t});<\/code><\/pre>\n\n\n\n
\u8868\u5355\u5e8f\u5217\u5316 serialize()\n\nserialize()\u53ef\u4ee5\u628a\u8868\u5355\u4e2d\u6240\u6709\u8868\u5355\u9879\u7684\u5185\u5bb9\u90fd\u83b7\u53d6\u5230\uff0c\u5e76\u4ee5 name=value&name=value \u7684\u5f62\u5f0f\u8fdb\u884c\u62fc\u63a5\u3002<\/pre>\n\n\n\n
\/\/ ajax\u8bf7\u6c42\r\n\t\t\t\t$(\"#submit\").click(function(){\r\n\t\t\t\t\t\/\/ \u628a\u53c2\u6570\u5e8f\u5217\u5316\r\n\r\n\t\t\t\t\t\/\/alert($(\"#form01\").serialize());\r\n\r\n\t\t\t\t\t$.getJSON(\"http:\/\/localhost:8080\/JavaWeb_Code_AJAX\/ajaxServlet\",\r\n\t\t\t\t\t\t\t\"action=jQuerySerialize&\" + $(\"#form01\").serialize(),\r\n\t\t\t\t\t\t\tfunction (data) {\r\n\t\t\t\t\t\t\t\t$(\"#msg\").html(\"Serialize \u7f16\u53f7\uff1a\" + data.id + \",\u59d3\u540d\uff1a\" + data.name);\r\n\t\t\t\t\t\t\t})\r\n\r\n\t\t\t\t\t\/\/alert(\"serialize()\");\r\n\t\t\t\t});<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
AJAX \u8bf7\u6c42 2.1\u3001\u4ec0\u4e48\u662f AJAX \u8bf7\u6c42 AJAX \u5373\u201cAsynchronous Javascript  […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[61],"class_list":["post-2735","post","type-post","status-publish","format-standard","hentry","category-javaweb-code","tag-javaweb"],"_links":{"self":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2735"}],"collection":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2735"}],"version-history":[{"count":1,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2735\/revisions"}],"predecessor-version":[{"id":2736,"href":"https:\/\/qaqaq.top\/index.php?rest_route=\/wp\/v2\/posts\/2735\/revisions\/2736"}],"wp:attachment":[{"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qaqaq.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}