测试自增id

Application/Common/Common/function.php

@@ -489,3 +489,8 @@ function curlPost($url,$data='',$is_ssl = false) {
     curl_close($ch);
     return $re;
 }
+
+function getTime() {
+	list($microsecond , $time) = explode(' ', microtime()); //' '中间是一个空格 
+    return (float)sprintf('%.0f',(floatval($microsecond)+floatval($time))*1000);
+}
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Application/Home/Controller/FlushController.class.php

@@ -69,6 +69,34 @@ class FlushController extends BaseController
 
     }
 
+    public function testId() {
+            //连接本地的 Redis 服务
+        $redis = S(C('REDIS'));
+    
+    
+    
+        while($redis->setnx('test_lock', getTime()+100)==0) {
+            if(getTime()>$redis->get('test_lock') && getTime()>$redis->getset('test_lock', getTime()+100)){
+                break;
+            }else{
+                usleep(100000);
+            }
+        }
+
+        $id = $redis->get('test_id');
+        if(empty($id)) {
+            $id = 100;
+        } else {
+            $id++;
+        }
+        $redis->set('test_id',$id);
+        echo $id;
+
+        $redis->del('test_lock');
+    }
+
+    
+
 }
 
 ?>
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