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@@ -0,0 +1,38 @@
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+<?php
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+ require_once "../path.php";
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+//error handler function
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+function customError($errno, $errstr)
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+ {
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+ echo "<b>Error:</b> [$errno] $errstr";
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+ }
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+
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+//set error handler
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+set_error_handler("customError");
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+
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+ function user_db_is_exist(){
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+ $PDO = new PDO("sqlite:"._FILE_DB_USERINFO_, "", "");
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+ $PDO->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
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+ $stmt = $PDO->query("SELECT count(*) as co FROM sqlite_master WHERE type=\"table\" AND name = \"user\"");
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+
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+ $row = $stmt->fetch(PDO::FETCH_NUM);
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+ if ($row) {
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+ if($row[0]>0){
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+ return true;
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+ }
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+ else{
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+ return false;
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+ }
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+ }
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+ else
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+ {
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+ return false;
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+ }
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+ }
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+
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+ if(user_db_is_exist()){
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+ if(!isset($_COOKIE["userid"])){
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+ echo "请登陆后执行此操作";
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+ exit;
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+ }
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+ }
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+?>
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