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ajax \u6570\u636e\u4f20\u8f93<\/h3>\n
$rotaryarrow.click(function(){\n $.ajax({\n url: \"path\/to\/script.php\",\n type: \"post\",\n data: { action: \"draw\" },\n success: function(response) {\n var data = json.parse(response); \/\/ \u5047\u8bbe php \u54cd\u5e94\u4e3a json \u683c\u5f0f\n rotatefunc(data.result, data.angle, data.text);\n }\n });\n});<\/pre>\nphp \u540e\u7aef\u811a\u672c<\/h3>\n
<?php\n\n\/\/ \u5904\u7406\u8bf7\u6c42\nif (isset($_POST['action'])) {\n switch ($_POST['action']) {\n case 'draw':\n \/\/ \u751f\u6210\u968f\u673a\u7ed3\u679c\n $result = rand(0, 7);\n $angle = $result * 45;\n $text = \"\"; \/\/ \u6839\u636e\u7ed3\u679c\u8bbe\u7f6e\u6587\u672c\uff08\u4f8b\u5982\uff1a\"<em>1<\/em>\"\uff09\n\n \/\/ \u8f93\u51fa JSON \u54cd\u5e94\n echo json_encode(['result' => $result, 'angle' => $angle, 'text' => $text]);\n break;\n }\n}\n?><\/pre>\n\u6ce8\u610f<\/h3>\n
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