gx

@@ -427,3 +427,21 @@ function isChinese($str) {
 function isEnglish($str) {
 function isEnglish($str) {
     return preg_match('/^[a-zA-Z]+$/u', $str);
     return preg_match('/^[a-zA-Z]+$/u', $str);
 }
 }
+
+/**
+ * @remark :字符串截取
+ * @name   :characterTruncation
+ * @author :lyh
+ * @method :post
+ * @time   :2023/6/28 17:39
+ */
+function characterTruncation($str,){
+    preg_match('/<main>(.*?)<\/main>/', $str, $matches);
+
+    if (isset($matches[1])) {
+        $result = $matches[1];
+        echo $result;
+    } else {
+        echo "未找到匹配的部分";
+    }
+}

@@ -35,6 +35,7 @@ class ATemplateLogic extends BaseLogic
      * @time   :2023/6/28 17:13
      * @time   :2023/6/28 17:13
      */
      */
     public function aTemplateSave(){
     public function aTemplateSave(){
+        //字符串截图
         if(isset($this->param['id'])){
         if(isset($this->param['id'])){
             $rs = $this->model->edit($this->param,['id'=>$this->param['id']]);
             $rs = $this->model->edit($this->param,['id'=>$this->param['id']]);
         }else{
         }else{