{"id":3133,"date":"2025-03-22T10:39:35","date_gmt":"2025-03-22T02:39:35","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3133"},"modified":"2025-03-22T10:39:35","modified_gmt":"2025-03-22T02:39:35","slug":"ajax-%e7%ae%80%e4%bb%8b","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/22\/ajax-%e7%ae%80%e4%bb%8b\/","title":{"rendered":"AJAX \u7b80\u4ecb"},"content":{"rendered":"\n

AJAX<\/strong>\uff08Asynchronous JavaScript and XML\uff09\u662f\u201c\u5f02\u6b65 JavaScript \u548c XML\u201d\u7684\u7f29\u5199\u3002\u5b83\u662f\u4e00\u79cd\u5728\u4e0d\u91cd\u65b0\u52a0\u8f7d\u6574\u4e2a\u7f51\u9875\u7684\u60c5\u51b5\u4e0b\uff0c\u4e0e\u670d\u52a1\u5668\u4ea4\u6362\u6570\u636e\u5e76\u66f4\u65b0\u7f51\u9875\u90e8\u5206\u5185\u5bb9\u7684\u6280\u672f\u3002AJAX \u5141\u8bb8\u7f51\u9875\u5728\u540e\u53f0\u5f02\u6b65\u8bf7\u6c42\u670d\u52a1\u5668\u6570\u636e\uff0c\u800c\u65e0\u9700\u5e72\u6270\u7528\u6237\u4e0e\u9875\u9762\u7684\u4ea4\u4e92\u3002<\/p>\n\n\n\n

AJAX \u7684\u6838\u5fc3\u601d\u60f3\u662f\u901a\u8fc7 JavaScript \u5728\u540e\u53f0\u4e0e\u670d\u52a1\u5668\u8fdb\u884c\u6570\u636e\u4ea4\u6362\uff0c\u5e76\u5c06\u83b7\u53d6\u7684\u6570\u636e\u52a8\u6001\u66f4\u65b0\u5230\u7f51\u9875\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u65e0\u5237\u65b0\u66f4\u65b0\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n\n\n\n

\u5c3d\u7ba1 AJAX \u65e9\u671f\u5e38\u7528\u4e8e\u4e0e XML<\/strong> \u6570\u636e\u4ea4\u6362\uff0c\u4f46\u5982\u4eca\u5b83\u4e5f\u53ef\u4ee5\u5904\u7406\u5176\u4ed6\u683c\u5f0f\u7684\u6570\u636e\uff0c\u5982 JSON<\/strong>\u3001HTML<\/strong> \u6216 \u7eaf\u6587\u672c<\/strong>\u3002<\/p>\n\n\n\n

1. AJ\u514b\u4f7f\u7528\u6280\u672f\u6982\u8ff0<\/strong><\/h2>\n\n\n\n

AJAX \u7684\u6838\u5fc3\u662f\u51e0\u4e2a\u5173\u952e\u6280\u672f\u7684\u7ed3\u5408\uff1a<\/p>\n\n\n\n

    \n
  1. HTML \/ XHTML<\/strong>\uff1a\u7f51\u9875\u7ed3\u6784\u3002<\/li>\n\n\n\n
  2. CSS<\/strong>\uff1a\u6837\u5f0f\u8868\uff0c\u7528\u4e8e\u8bbe\u7f6e\u7f51\u9875\u7684\u6837\u5f0f\u3002<\/li>\n\n\n\n
  3. JavaScript<\/strong>\uff1a\u63d0\u4f9b\u4ea4\u4e92\u6027\uff0cAJAX \u57fa\u4e8e JavaScript \u5b9e\u73b0\u5f02\u6b65\u8bf7\u6c42\u3002<\/li>\n\n\n\n
  4. DOM\uff08\u6587\u6863\u5bf9\u8c61\u6a21\u578b\uff09<\/strong>\uff1a\u5728\u5ba2\u6237\u7aef\u8868\u793a\u7f51\u9875\u7ed3\u6784\uff0c\u5141\u8bb8 JavaScript \u64cd\u4f5c\u548c\u66f4\u65b0\u7f51\u9875\u5185\u5bb9\u3002<\/li>\n\n\n\n
  5. XMLHttpRequest<\/strong>\uff1a\u8fd9\u662f AJAX \u7684\u6838\u5fc3\u5bf9\u8c61\uff0c\u8d1f\u8d23\u5411\u670d\u52a1\u5668\u53d1\u9001\u5f02\u6b65\u8bf7\u6c42\u5e76\u63a5\u6536\u54cd\u5e94\u3002<\/li>\n\n\n\n
  6. JSON \/ XML<\/strong>\uff1a\u4f5c\u4e3a\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0cJSON \u9010\u6e10\u6210\u4e3a AJAX \u6700\u5e38\u7528\u7684\u683c\u5f0f\u3002<\/li>\n<\/ol>\n\n\n\n

    2. AJAX \u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/h2>\n\n\n\n
      \n
    1. \u7528\u6237\u64cd\u4f5c<\/strong>\uff1a\u7528\u6237\u5728\u7f51\u9875\u4e2d\u8fdb\u884c\u67d0\u4e9b\u64cd\u4f5c\uff08\u5982\u70b9\u51fb\u6309\u94ae\u3001\u9009\u62e9\u4e0b\u62c9\u6846\u7b49\uff09\u3002<\/li>\n\n\n\n
    2. JavaScript \u53d1\u8d77\u8bf7\u6c42<\/strong>\uff1aJavaScript \u4f7f\u7528 XMLHttpRequest<\/code> \u5bf9\u8c61\u53d1\u8d77\u8bf7\u6c42\u5230\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n
    3. \u670d\u52a1\u5668\u5904\u7406\u8bf7\u6c42<\/strong>\uff1a\u670d\u52a1\u5668\u63a5\u6536\u5230\u8bf7\u6c42\uff0c\u5904\u7406\u5e76\u8fd4\u56de\u6570\u636e\uff08\u4f8b\u5982\u8fd4\u56de\u4e00\u4e2a JSON \u6216 XML \u683c\u5f0f\u7684\u54cd\u5e94\uff09\u3002<\/li>\n\n\n\n
    4. JavaScript \u63a5\u6536\u54cd\u5e94<\/strong>\uff1aJavaScript \u83b7\u53d6\u670d\u52a1\u5668\u7684\u54cd\u5e94\u6570\u636e\uff0c\u5e76\u6839\u636e\u6570\u636e\u66f4\u65b0\u7f51\u9875\u90e8\u5206\u5185\u5bb9\u3002<\/li>\n\n\n\n
    5. \u65e0\u5237\u65b0\u66f4\u65b0\u9875\u9762<\/strong>\uff1a\u7f51\u9875\u7684\u90e8\u5206\u5185\u5bb9\u88ab\u66f4\u65b0\uff0c\u9875\u9762\u4e0d\u4f1a\u91cd\u65b0\u52a0\u8f7d\uff0c\u7528\u6237\u4f53\u9a8c\u66f4\u52a0\u6d41\u7545\u3002<\/li>\n<\/ol>\n\n\n\n

      3. AJAX \u7684\u4f18\u52bf<\/strong><\/h2>\n\n\n\n
        \n
      • \u63d0\u9ad8\u7528\u6237\u4f53\u9a8c<\/strong>\uff1a\u9875\u9762\u65e0\u9700\u5b8c\u5168\u5237\u65b0\uff0c\u90e8\u5206\u5185\u5bb9\u66f4\u65b0\u66f4\u52a0\u5feb\u901f\uff0c\u589e\u5f3a\u4e86\u7528\u6237\u4f53\u9a8c\u3002<\/li>\n\n\n\n
      • \u51cf\u5c11\u670d\u52a1\u5668\u8d1f\u62c5<\/strong>\uff1a\u53ea\u8bf7\u6c42\u9875\u9762\u7684\u5fc5\u8981\u90e8\u5206\u6570\u636e\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u90fd\u8bf7\u6c42\u6574\u4e2a\u9875\u9762\u3002<\/li>\n\n\n\n
      • \u63d0\u5347\u6027\u80fd<\/strong>\uff1a\u4ec5\u8bf7\u6c42\u9700\u8981\u66f4\u65b0\u7684\u6570\u636e\uff0c\u51cf\u5c11\u4e86\u4e0d\u5fc5\u8981\u7684\u4f20\u8f93\u548c\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n

        4. AJAX \u7684\u5c40\u9650\u6027<\/strong><\/h2>\n\n\n\n
          \n
        • \u6d4f\u89c8\u5668\u517c\u5bb9\u6027<\/strong>\uff1a\u867d\u7136\u73b0\u4ee3\u6d4f\u89c8\u5668\u652f\u6301 AJAX\uff0c\u4f46\u65e9\u671f\u7248\u672c\u7684 Internet Explorer \u5bf9 XMLHttpRequest<\/code> \u7684\u652f\u6301\u6709\u9650\u3002<\/li>\n\n\n\n
        • SEO<\/strong>\uff1aAJAX \u9875\u9762\u7684\u5185\u5bb9\u662f\u52a8\u6001\u52a0\u8f7d\u7684\uff0c\u641c\u7d22\u5f15\u64ce\u722c\u866b\u53ef\u80fd\u65e0\u6cd5\u7d22\u5f15\u5176\u4e2d\u7684\u52a8\u6001\u5185\u5bb9\uff0c\u8fd9\u5bf9 SEO\uff08\u641c\u7d22\u5f15\u64ce\u4f18\u5316\uff09\u6709\u4e00\u5b9a\u5f71\u54cd\u3002<\/li>\n\n\n\n
        • JavaScript \u7981\u7528\u95ee\u9898<\/strong>\uff1a\u5982\u679c\u7528\u6237\u7981\u7528\u4e86 JavaScript\uff0cAJAX \u529f\u80fd\u5c06\u65e0\u6cd5\u5de5\u4f5c\u3002<\/li>\n\n\n\n
        • \u590d\u6742\u6027<\/strong>\uff1a\u867d\u7136 AJAX \u63d0\u4f9b\u4e86\u5f88\u9ad8\u7684\u7075\u6d3b\u6027\uff0c\u4f46\u5728\u5904\u7406\u591a\u4e2a\u5f02\u6b65\u8bf7\u6c42\u6216\u590d\u6742\u7684\u9519\u8bef\u5904\u7406\u65f6\uff0c\u4ee3\u7801\u53ef\u80fd\u4f1a\u53d8\u5f97\u590d\u6742\u3002<\/li>\n<\/ul>\n\n\n\n

          5. AJAX \u793a\u4f8b<\/strong><\/h2>\n\n\n\n

          \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684 AJAX \u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u901a\u8fc7 JavaScript \u53d1\u9001\u5f02\u6b65\u8bf7\u6c42\uff0c\u83b7\u53d6\u670d\u52a1\u5668\u6570\u636e\u5e76\u52a8\u6001\u66f4\u65b0\u7f51\u9875\u5185\u5bb9\u3002<\/p>\n\n\n\n

          1. HTML \u9875\u9762<\/strong><\/h3>\n\n\n\n
          <!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>AJAX \u793a\u4f8b<\/title>\n<\/head>\n<body>\n    <h1>AJAX \u793a\u4f8b<\/h1>\n    <button id=\"loadDataButton\">\u52a0\u8f7d\u6570\u636e<\/button>\n    <div id=\"dataContainer\"><\/div>\n\n    <script src=\"app.js\"><\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
          2. JavaScript \u6587\u4ef6\uff08app.js\uff09<\/strong><\/h3>\n\n\n\n
          document.getElementById('loadDataButton').addEventListener('click', function() {\n    \/\/ \u521b\u5efa XMLHttpRequest \u5bf9\u8c61\n    var xhr = new XMLHttpRequest();\n\n    \/\/ \u914d\u7f6e\u8bf7\u6c42\u65b9\u5f0f\u548c\u76ee\u6807 URL\n    xhr.open('GET', 'data.php', true);\n\n    \/\/ \u8bbe\u7f6e\u54cd\u5e94\u7c7b\u578b\n    xhr.responseType = 'json';\n\n    \/\/ \u5b9a\u4e49\u8bf7\u6c42\u6210\u529f\u65f6\u7684\u5904\u7406\u51fd\u6570\n    xhr.onload = function() {\n        if (xhr.status === 200) {\n            var data = xhr.response; \/\/ \u83b7\u53d6\u54cd\u5e94\u6570\u636e\n            \/\/ \u66f4\u65b0\u9875\u9762\u5185\u5bb9\n            document.getElementById('dataContainer').innerHTML = data.message;\n        } else {\n            console.error('\u8bf7\u6c42\u5931\u8d25\uff0c\u72b6\u6001\u7801\uff1a' + xhr.status);\n        }\n    };\n\n    \/\/ \u53d1\u9001\u8bf7\u6c42\n    xhr.send();\n});<\/code><\/pre>\n\n\n\n
          3. PHP \u6587\u4ef6\uff08data.php\uff09<\/strong><\/h3>\n\n\n\n
          <?php\n\/\/ \u6a21\u62df\u4ece\u6570\u636e\u5e93\u83b7\u53d6\u7684\u6570\u636e\n$data = [\n    'message' => '\u8fd9\u662f\u4ece\u670d\u52a1\u5668\u52a0\u8f7d\u7684\u52a8\u6001\u6570\u636e\uff01'\n];\n\n\/\/ \u8fd4\u56de JSON \u683c\u5f0f\u7684\u6570\u636e\necho json_encode($data);\n?><\/code><\/pre>\n\n\n\n
          \u5de5\u4f5c\u6d41\u7a0b<\/strong>\uff1a<\/h3>\n\n\n\n
            \n
          1. \u7528\u6237\u70b9\u51fb “\u52a0\u8f7d\u6570\u636e” \u6309\u94ae\u3002<\/li>\n\n\n\n
          2. JavaScript \u901a\u8fc7 XMLHttpRequest<\/code> \u53d1\u8d77\u5f02\u6b65 GET \u8bf7\u6c42\u5230\u670d\u52a1\u5668\u7684 data.php<\/code> \u6587\u4ef6\u3002<\/li>\n\n\n\n
          3. \u670d\u52a1\u5668\u8fd4\u56de\u4e00\u4e2a JSON \u683c\u5f0f\u7684\u54cd\u5e94\u3002<\/li>\n\n\n\n
          4. JavaScript \u63a5\u6536\u5230\u54cd\u5e94\u6570\u636e\u540e\uff0c\u66f4\u65b0\u7f51\u9875\u4e2d\u7684 #dataContainer<\/code> \u5143\u7d20\uff0c\u663e\u793a\u4ece\u670d\u52a1\u5668\u83b7\u53d6\u7684\u6570\u636e\u3002<\/li>\n<\/ol>\n\n\n\n
            6. AJAX \u4e0e jQuery<\/strong><\/h2>\n\n\n\n
            \u867d\u7136\u4f60\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u539f\u751f JavaScript \u6765\u5b9e\u73b0 AJAX \u8bf7\u6c42\uff0c\u4f46\u4f7f\u7528 jQuery \u53ef\u4ee5\u7b80\u5316\u4ee3\u7801\uff0c\u63d0\u9ad8\u53ef\u8bfb\u6027\u548c\u8de8\u6d4f\u89c8\u5668\u517c\u5bb9\u6027\u3002jQuery \u63d0\u4f9b\u4e86 $.ajax()<\/code>\u3001$.get()<\/code> \u548c $.post()<\/code> \u7b49\u7b80\u5316\u7684 AJAX \u65b9\u6cd5\u3002<\/p>\n\n\n\n
            jQuery AJAX \u793a\u4f8b<\/strong><\/h4>\n\n\n\n
            <!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>AJAX \u793a\u4f8b - jQuery<\/title>\n    <script src=\"https:\/\/code.jquery.com\/jquery-3.6.0.min.js\"><\/script>\n<\/head>\n<body>\n    <h1>AJAX \u793a\u4f8b<\/h1>\n    <button id=\"loadDataButton\">\u52a0\u8f7d\u6570\u636e<\/button>\n    <div id=\"dataContainer\"><\/div>\n\n    <script>\n    $(document).ready(function() {\n        $('#loadDataButton').click(function() {\n            $.ajax({\n                url: 'data.php', \/\/ \u8bf7\u6c42\u7684\u670d\u52a1\u5668 URL\n                type: 'GET', \/\/ \u8bf7\u6c42\u65b9\u5f0f\n                dataType: 'json', \/\/ \u671f\u671b\u7684\u54cd\u5e94\u683c\u5f0f\n                success: function(data) {\n                    $('#dataContainer').html(data.message); \/\/ \u66f4\u65b0\u9875\u9762\u5185\u5bb9\n                },\n                error: function(xhr, status, error) {\n                    console.error('\u8bf7\u6c42\u5931\u8d25\uff1a', error);\n                }\n            });\n        });\n    });\n    <\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
            7. AJAX \u5e38\u89c1\u5e94\u7528\u573a\u666f<\/strong><\/h2>\n\n\n\n
              \n
            1. \u8868\u5355\u63d0\u4ea4<\/strong>\uff1a\u4f7f\u7528 AJAX \u63d0\u4ea4\u8868\u5355\u6570\u636e\u800c\u4e0d\u5237\u65b0\u9875\u9762\uff0c\u7528\u6237\u4f53\u9a8c\u66f4\u597d\u3002<\/li>\n\n\n\n
            2. \u52a8\u6001\u52a0\u8f7d\u5185\u5bb9<\/strong>\uff1a\u6bd4\u5982\u52a0\u8f7d\u66f4\u591a\u5185\u5bb9\u3001\u5206\u9875\u3001\u65e0\u9650\u6eda\u52a8\u7b49\u3002<\/li>\n\n\n\n
            3. \u5b9e\u65f6\u641c\u7d22<\/strong>\uff1a\u6839\u636e\u7528\u6237\u8f93\u5165\u5b9e\u65f6\u83b7\u53d6\u641c\u7d22\u7ed3\u679c\u3002<\/li>\n\n\n\n
            4. \u8868\u5355\u9a8c\u8bc1<\/strong>\uff1a\u5728\u63d0\u4ea4\u8868\u5355\u524d\uff0c\u4f7f\u7528 AJAX \u6821\u9a8c\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u3002<\/li>\n\n\n\n
            5. \u6570\u636e\u5237\u65b0<\/strong>\uff1a\u4f8b\u5982\u901a\u8fc7 AJAX \u5b9a\u671f\u5237\u65b0\u80a1\u7968\u4ef7\u683c\u3001\u5929\u6c14\u4fe1\u606f\u7b49\u3002<\/li>\n<\/ol>\n\n\n\n
              \u603b\u7ed3<\/strong><\/h3>\n\n\n\n
              AJAX \u662f\u4e00\u79cd\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u6280\u672f\uff0c\u5b83\u80fd\u6709\u6548\u5730\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u901a\u8fc7\u5f02\u6b65\u6570\u636e\u4ea4\u6362\u548c\u65e0\u5237\u65b0\u66f4\u65b0\u7f51\u9875\u5185\u5bb9\u3002\u5728\u73b0\u4ee3 Web \u5f00\u53d1\u4e2d\uff0cAJAX \u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u52a8\u6001\u7f51\u9875\u7684\u6784\u5efa\u3002\u5c3d\u7ba1\u5b83\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff08\u5982 SEO \u95ee\u9898\uff09\uff0c\u4f46\u7ed3\u5408\u73b0\u4ee3 Web \u6280\u672f\uff0c\u5982 Single Page Applications (SPA)<\/strong> \u548c RESTful APIs<\/strong>\uff0cAJAX \u6210\u4e3a\u524d\u7aef\u5f00\u53d1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002<\/p>\n\n\n\n
              \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
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