Question

当我调用此函数时，我得到这个“致命错误”：

import flash.events.Event;
import flash.events.MouseEvent;

    var puzzleArr:Array = new Array (piece1_mc, piece2_mc, piece3_mc, piece4_mc,
piece5_mc, piece6_mc, piece7_mc, piece8_mc, 
piece9_mc, piece10_mc, 
piece11_mc, piece12_mc, piece13_mc, piece14_mc, piece15_mc, piece16_mc);


for (var i:uint =0; i < puzzleArr.length; i++) {
 puzzleArr[i].addEventListener(MouseEvent.MOUSE_DOWN, drag);
 puzzleArr[i].addEventListener(MouseEvent.MOUSE_UP, drop);
}


function drag(event:MouseEvent):void {
 event.currentTarget.startDrag();
}


function drop(event:MouseEvent):void {
 event.currentTarget.stopDrag();
}

您能否告诉我哪些方面可以阅读此类错误？

Answer 1

改变它（如果你使用MYSQLi）：

    #SELECT field1 FROM xyz where id = ?
    $result = $statement->get_result();
    $data = $result->fetch_row();
    return $data['field1']?$data['field1']:'';

注意Fatal Error功能有一个ReturnTypeHint string所以你必须返回一个字符串。请在此处阅读：http://php.net/manual/en/class.typeerror.php和此处：http://php.net/manual/de/functions.returning-values.php

UsersModel :: myFunc（）的返回值必须是字符串类型，返回对象

1 个答案: