{"id":2960,"date":"2016-11-21T20:24:18","date_gmt":"2016-11-21T12:24:18","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=2960"},"modified":"2016-11-21T20:24:18","modified_gmt":"2016-11-21T12:24:18","slug":"javascriptajaxjquery%e7%9b%b8%e5%85%b3%e7%9f%a5%e8%af%86%e8%ae%b0%e5%bd%95","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/2960.html","title":{"rendered":"JavaScript\/Ajax\/jQuery\u76f8\u5173\u77e5\u8bc6\u8bb0\u5f55"},"content":{"rendered":"

=Start=<\/p>\n

\u7f18\u7531\uff1a<\/h4>\n

\u524d\u6bb5\u65f6\u95f4\u628a\u6536\u96c6\u5230\u7684\u65e5\u5fd7\u5904\u7406\u5e76\u5165\u5e93\u4e86\uff0c\u73b0\u5728\u9700\u8981\u5199\u4e00\u4e9b\u524d\u7aef\u9875\u9762\u7528\u4e8e\u5c55\u793a\u6536\u96c6\u5230\u7684\u6570\u636e\uff0c\u7528\u4e8e\u5411\u4e0a\u6c47\u62a5\u3001\u5185\u90e8\u5c55\u793a\uff0c\u5728\u6b64\u8fc7\u7a0b\u4e2d\u78b0\u5230\u4e86\u5f88\u591a\u95ee\u9898\uff0c\u591a\u534a\u662f\u56e0\u4e3a\u5bf9js\u4e0d\u591f\u719f\u6089\u5bfc\u81f4\u7684\uff0c\u6240\u4ee5\u73b0\u5728\u5927\u4f53\u8bb0\u5f55\u4e00\u4e0b\uff0c\u65b9\u4fbf\u4ee5\u540e\u78b0\u5230\u7c7b\u4f3c\u95ee\u9898\u7684\u65f6\u5019\u6709\u4e2a\u53c2\u8003\u3002<\/p>\n

\u6b63\u6587\uff1a<\/h4>\n

\u4ec0\u4e48\u662fAJAX\uff1f<\/h5>\n

AJAX = Asynchronous JavaScript and XML\uff08\u5f02\u6b65\u7684 JavaScript \u548c XML\uff09\u3002AJAX \u662f\u4e00\u79cd\u4e0e\u670d\u52a1\u5668\u4ea4\u6362\u6570\u636e\u7684\u6280\u672f<\/span><\/strong>\uff0c\u53ef\u4ee5\u5728\u4e0d\u91cd\u65b0\u52a0\u8f7d\u6574\u4e2a\u9875\u9762\u7684\u60c5\u51b5\u4e0b\u66f4\u65b0\u7f51\u9875\u7684\u4e00\u90e8\u5206\u3002<\/p>\n

\u4ec0\u4e48\u662fjQuery\uff1f<\/h5>\n

jQuery \u662f\u4e00\u4e2a JavaScript \u5e93<\/strong><\/span>\u3002jQuery \u6781\u5927\u5730\u7b80\u5316\u4e86 JavaScript \u7f16\u7a0b\u3002<\/p>\n

\u5173\u4e8e jQuery \u4e0e AJAX<\/h5>\n

jQuery \u63d0\u4f9b\u591a\u4e2a\u4e0e AJAX \u6709\u5173\u7684\u65b9\u6cd5<\/span>\u3002\u901a\u8fc7 jQuery AJAX \u65b9\u6cd5\uff0c\u60a8\u80fd\u591f\u4f7f\u7528 HTTP Get \u548c HTTP Post \u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u8bf7\u6c42\u6587\u672c\u3001HTML\u3001XML \u6216 JSON – \u540c\u65f6\u60a8\u80fd\u591f\u628a\u8fd9\u4e9b\u5916\u90e8\u6570\u636e\u76f4\u63a5\u8f7d\u5165\u7f51\u9875\u7684\u88ab\u9009\u5143\u7d20\u4e2d\u3002\u63d0\u793a\uff1a\u5982\u679c\u6ca1\u6709 jQuery\uff0cAJAX \u7f16\u7a0b\u8fd8\u662f\u6709\u4e9b\u96be\u5ea6\u7684\u3002\u7f16\u5199\u5e38\u89c4\u7684 AJAX \u4ee3\u7801\u5e76\u4e0d\u5bb9\u6613\uff0c\u56e0\u4e3a\u4e0d\u540c\u7684\u6d4f\u89c8\u5668\u5bf9 AJAX \u7684\u5b9e\u73b0\u5e76\u4e0d\u76f8\u540c\u3002\u8fd9\u610f\u5473\u7740\u60a8\u5fc5\u987b\u7f16\u5199\u989d\u5916\u7684\u4ee3\u7801\u5bf9\u6d4f\u89c8\u5668\u8fdb\u884c\u6d4b\u8bd5\u3002<\/span>\u4e0d\u8fc7\uff0cjQuery \u56e2\u961f\u4e3a\u6211\u4eec\u89e3\u51b3\u4e86\u8fd9\u4e2a\u96be\u9898\uff0c\u6211\u4eec\u53ea\u9700\u8981\u4e00\u884c\u7b80\u5355\u7684\u4ee3\u7801\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0 AJAX \u529f\u80fd\u3002<\/p>\n

jQuery\u7684 get()\/post()\/ajax() \u65b9\u6cd5\u7684\u9009\u53d6<\/h5>\n

jQuery get() \u548c post() \u65b9\u6cd5\u7528\u4e8e\u901a\u8fc7 HTTP GET \u6216 POST \u8bf7\u6c42\u4ece\u670d\u52a1\u5668\u8bf7\u6c42\u6570\u636e\u3002ajax() \u65b9\u6cd5\u901a\u8fc7 HTTP \u8bf7\u6c42\u52a0\u8f7d\u8fdc\u7a0b\u6570\u636e\uff0c\u8be5\u65b9\u6cd5\u662f jQuery \u5e95\u5c42 AJAX \u5b9e\u73b0\u3002<\/p>\n

\u4e00\u822c\u60c5\u51b5\u4e0b\u53ef\u4ee5\u7528 $.get, $.post \u7b49\u5b9e\u73b0AJAX\u529f\u80fd\u3002\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u4f60\u65e0\u9700\u76f4\u63a5\u64cd\u4f5c$.ajax()\u51fd\u6570\uff0c\u9664\u975e\u4f60\u9700\u8981\u64cd\u4f5c\u4e0d\u5e38\u7528\u7684\u9009\u9879\uff0c\u4ee5\u83b7\u5f97\u66f4\u591a\u7684\u7075\u6d3b\u6027\u3002<\/p>\n

jQuery\u7684 ajax() \u65b9\u6cd5<\/h5>\n

\u4e0b\u9762\u4ee5\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\u6765\u8bf4\u660ejQuery\u7684ajax()\u65b9\u6cd5\u7684\u4f7f\u7528\uff1a<\/p>\n

var today = new Date();\nvar lastWeek = new Date(today.getFullYear(), today.getMonth(), today.getDate() - 7);\nvar lastMonth = new Date(today.getFullYear(), today.getMonth() - 1, today.getDate());\n\/\/ today.toISOString().substring(0, 10);  \/\/\u4ee5 2016-11-19 \u683c\u5f0f\u83b7\u53d6\u5f53\u5929\u7684\u65e5\u671f\n\/\/ lastWeek.toISOString().substring(0, 10);  \/\/\u4ee5 2016-11-12 \u683c\u5f0f\u83b7\u53d67\u5929\u524d\u7684\u65e5\u671f\n\/\/ lastMonth.toISOString().substring(0, 10);  \/\/\u4ee5 2016-10-19 \u683c\u5f0f\u83b7\u53d6\u4e0a\u4e2a\u6708\u7684\u65e5\u671f\n\nfunction updateChart() {\n    \/\/ {\"aaData\": [[21851, 20161022], [14951, 20161023]]}\n    var ajax_options_linechart = {\n        \/\/ type: 'GET',\n        type: 'POST',\n        url: '\/bash\/api_stat',\n        data: {'type': 1, 'start': lastWeek.toISOString().substring(0, 10), 'end': today.toISOString().substring(0, 10)},\n        dataType: 'json',\n        success: function (_data) {\n            var date_array = [];    \/\/ 20160904, ...\n            var nums_array = [];    \/\/ 21504, ...\n            for (var i = 0; i < _data.aaData.length; i++) {\n                date_array.push(_data.aaData[i][1]);\n                nums_array.push(_data.aaData[i][0]);\n            }\n            var linechart_opts = {\n                xAxis: {\n                    data: date_array,\n                },\n                series: [{\n                    data: nums_array,\n                }],\n            };\n            linechart.setOption(linechart_opts);\n        },\n        error: function() {\n            \/\/ ...\n        }\n    };\n    $.ajax(ajax_options_linechart);\n}\n\nfunction updateTiming(){\n    updateChart();\n    setTimeout(updateTiming, 20000);    \/\/ \u6bcf20\u79d2\u53d1\u8d77\u4e00\u4e2a\u8bf7\u6c42\n}\nupdateTiming();<\/pre>\n
\u53c2\u6570\uff08\u5e38\u7528\uff09<\/h6>\n
url\uff1a\u53d1\u9001\u8bf7\u6c42\u7684\u5730\u5740\uff08\u6839\u636e\u5f00\u5934\u662f\u5426\u4e3a\u300c\/\u300d\u6765\u51b3\u5b9a\u662f\u7edd\u5bf9\u5730\u5740\u8fd8\u662f\u76f8\u5bf9\u5730\u5740<\/span><\/strong>\uff09\u3002
\ntype\uff1a\u53d1\u9001\u8bf7\u6c42\u7684\u65b9\u6cd5\uff08\u9ed8\u8ba4\u4e3a\u300cGET\u300d\uff09\u3002
\ndata\uff1a\u53d1\u9001\u5230\u670d\u52a1\u5668\u7684\u6570\u636e\u3002\u4f1a\u81ea\u52a8\u8f6c\u6362\u4e3a\u8bf7\u6c42\u5b57\u7b26\u4e32\u683c\u5f0f\u3002
\ndataType\uff1a\u9884\u671f\u670d\u52a1\u5668\u8fd4\u56de\u7684\u6570\u636e\u7c7b\u578b<\/strong><\/span>\u3002\u5982\u679c\u4e0d\u6307\u5b9a\uff0cjQuery \u5c06\u81ea\u52a8\u6839\u636e HTTP \u5305 MIME \u4fe1\u606f\u6765\u667a\u80fd\u5224\u65ad\u3002<\/p>\n
\u56de\u8c03\u51fd\u6570\uff08\u5e38\u7528\uff09<\/h6>\n
error\uff1a\u5728\u8bf7\u6c42\u51fa\u9519\u65f6\u8c03\u7528\u3002
\nsuccess\uff1a\u5f53\u8bf7\u6c42\u6210\u529f\u540e\u8c03\u7528\u3002<\/p>\n
\u53d1\u9001\u6570\u636e\u5230\u670d\u52a1\u5668\uff08data \u9009\u9879\uff09<\/h6>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cAjax \u8bf7\u6c42\u4f7f\u7528 GET \u65b9\u6cd5\u3002\u5982\u679c\u8981\u4f7f\u7528 POST \u65b9\u6cd5\uff0c\u53ef\u4ee5\u8bbe\u5b9a type \u53c2\u6570\u503c\u3002\u8fd9\u4e2a\u9009\u9879\u4e5f\u4f1a\u5f71\u54cd data \u9009\u9879\u4e2d\u7684\u5185\u5bb9\u5982\u4f55\u53d1\u9001\u5230\u670d\u52a1\u5668\u3002<\/p>\n
data \u9009\u9879\u65e2\u53ef\u4ee5\u5305\u542b\u4e00\u4e2a\u67e5\u8be2\u5b57\u7b26\u4e32\uff0c\u6bd4\u5982 key1=value1&key2=value2 \uff0c\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2a\u6620\u5c04\uff0c\u6bd4\u5982\u00a0{key1: 'value1', key2: 'value2'}<\/code>\u00a0\u3002<\/span>\u5982\u679c\u4f7f\u7528\u4e86\u540e\u8005\u7684\u5f62\u5f0f\uff0c\u5219\u6570\u636e\u518d\u53d1\u9001\u5668\u4f1a\u88ab\u8f6c\u6362\u6210\u67e5\u8be2\u5b57\u7b26\u4e32\u3002\u8fd9\u4e2a\u5904\u7406\u8fc7\u7a0b\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e processData \u9009\u9879\u4e3a false \u6765\u56de\u907f\u3002\u5982\u679c\u6211\u4eec\u5e0c\u671b\u53d1\u9001\u4e00\u4e2a XML \u5bf9\u8c61\u7ed9\u670d\u52a1\u5668\u65f6\uff0c\u8fd9\u79cd\u5904\u7406\u53ef\u80fd\u5e76\u4e0d\u5408\u9002\u3002\u5e76\u4e14\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e5f\u5e94\u5f53\u6539\u53d8 contentType \u9009\u9879\u7684\u503c\uff0c\u7528\u5176\u4ed6\u5408\u9002\u7684 MIME \u7c7b\u578b\u6765\u53d6\u4ee3\u9ed8\u8ba4\u7684 application\/x-www-form-urlencoded \u3002<\/p>\n
\u6570\u636e\u7c7b\u578b\uff08dataType \u9009\u9879\uff09<\/h6>\n
$.ajax() \u51fd\u6570\u4f9d\u8d56\u670d\u52a1\u5668\u63d0\u4f9b\u7684\u4fe1\u606f\u6765\u5904\u7406\u8fd4\u56de\u7684\u6570\u636e\u3002\u5982\u679c\u670d\u52a1\u5668\u62a5\u544a\u8bf4\u8fd4\u56de\u7684\u6570\u636e\u662f XML\uff0c\u90a3\u4e48\u8fd4\u56de\u7684\u7ed3\u679c\u5c31\u53ef\u4ee5\u7528\u666e\u901a\u7684 XML \u65b9\u6cd5\u6216\u8005 jQuery \u7684\u9009\u62e9\u5668\u6765\u904d\u5386\u3002\u5982\u679c\u89c1\u5f97\u5230\u5176\u4ed6\u7c7b\u578b\uff0c\u6bd4\u5982 HTML\uff0c\u5219\u6570\u636e\u5c31\u4ee5\u6587\u672c\u5f62\u5f0f\u6765\u5bf9\u5f85\u3002<\/p>\n
\u901a\u8fc7 dataType \u9009\u9879\u8fd8\u53ef\u4ee5\u6307\u5b9a\u5176\u4ed6\u4e0d\u540c\u6570\u636e\u5904\u7406\u65b9\u5f0f\u3002\u9664\u4e86\u5355\u7eaf\u7684 XML\uff0c\u8fd8\u53ef\u4ee5\u6307\u5b9a html\u3001json\u3001jsonp\u3001script \u6216\u8005 text\u3002\u5176\u4e2d\uff0ctext \u548c xml \u7c7b\u578b\u8fd4\u56de\u7684\u6570\u636e\u4e0d\u4f1a\u7ecf\u8fc7\u5904\u7406\u3002\u6570\u636e\u4ec5\u4ec5\u7b80\u5355\u7684\u5c06 XMLHttpRequest \u7684 responseText \u6216 responseHTML \u5c5e\u6027\u4f20\u9012\u7ed9 success \u56de\u8c03\u51fd\u6570\u3002<\/p>\n
\u6ce8\u610f\uff1a\u6211\u4eec\u5fc5\u987b\u786e\u4fdd\u7f51\u9875\u670d\u52a1\u5668\u62a5\u544a\u7684 MIME \u7c7b\u578b\u4e0e\u6211\u4eec\u9009\u62e9\u7684 dataType \u6240\u5339\u914d\u3002<\/strong><\/span>\u6bd4\u5982\u8bf4\uff0cXML\u7684\u8bdd\uff0c\u670d\u52a1\u5668\u7aef\u5c31\u5fc5\u987b\u58f0\u660e text\/xml \u6216\u8005 application\/xml \u6765\u83b7\u5f97\u4e00\u81f4\u7684\u7ed3\u679c\u3002<\/p>\n
==<\/p>\n
\u5bf9\u4e8e\u4e0d\u540c\u7684dataType\uff0c\u5728ajax()\u65b9\u6cd5\u4e2d\u4f1a\u5bf9\u4f20\u56de\u7684\u6570\u636e\u505a\u4e0d\u540c\u7684\u5904\u7406\uff1a<\/p>\n
<script>\nfunction submitSearchForm()\n{\n    var data = jQuery('#form').serialize();\n    var ajax_options = {\n        timeout: '10000',\n        type: 'POST',\n        dataType: 'html',\n        data: data,\n        url:'\/search',\n        beforeSend:function () {\n        },\n        complete:function () {\n        },\n        error:function (XMLHttpRequest, textStatus, errorThrown) {\n        },\n        success:function (response, textStatus) {\n            var data = JSON.parse(response);  \/\/\u56e0\u4e3adataType\u8bbe\u7f6e\u7684\u662fhtml\uff0c\u6240\u4ee5\u9700\u8981\u5bf9\u8fd4\u56de\u7684json\u6570\u636e\u8fdb\u884c\u89e3\u6790\u624d\u80fd\u4f7f\u7528\n            \/\/ console.log(data.aaData);\n            jQuery('#editable').DataTable({\n                \"bDestroy\": true,\n                \"scrollX\": true,\n                \"aaData\": data.aaData,\n            });\n        },\n    };\n    $.ajax(ajax_options);\n    return false;\n}\n<\/script><\/pre>\n
&<\/p>\n
<script>\nfunction submitSearchForm()\n{\n    var data = jQuery('#form').serialize();\n    var ajax_options = {\n        timeout: '10000',\n        type: 'POST',\n        dataType: 'json',\n        data: data,\n        url:'\/search',\n        beforeSend:function () {\n        },\n        complete:function () {\n        },\n        error:function (XMLHttpRequest, textStatus, errorThrown) {\n        },\n        success:function (response, textStatus) {\n            \/\/ var data = JSON.parse(response);\n            console.log(response.aaData);  \/\/\u56e0\u4e3adataType\u8bbe\u7f6e\u7684\u662fjson\uff0c\u6240\u4ee5\u8fd9\u91cc\u53ef\u4ee5\u76f4\u63a5\u7528\n            jQuery('#editable').DataTable({\n                \"bDestroy\": true,\n                \"scrollX\": true,\n                \"aaData\": response.aaData,\n            });\n        },\n    };\n    $.ajax(ajax_options);\n    return false;\n}\n<\/script><\/pre>\n
\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n