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javascript – Die Beziehung zwischen der Angular-Controller-Steuerungsdomäne und nativem js
我想大声告诉你
我想大声告诉你 2017-05-16 13:20:20
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Ich habe einen Teil des JS-Codes geschrieben und festgestellt, dass der im Controller geschriebene native JS nicht funktioniert. Die Fehlermeldung zeigt, dass die Funktion nicht gefunden werden konnte. Der Code lautet wie folgt: 

app.controller('orderFormCtrl', function ($scope, $http) {
    // 订单备注
    $scope.food_remarks = [];

    // 订单详情数组
    $scope.forms_detail = [];
    $scope.food_detail = [];

    // 查询订单详情
    $scope.search_detail = function(index){  
        $scope.forms_detail = $scope.food_forms[index];
        $scope.food_remarks = $scope.food_forms[index].remarks;
        console.log($scope.forms_detail);
        // var form_num = $scope.forms_detail.order_number;
        $scope.food_detail = $scope.food_forms[index].food_detail;
        // console.log($scope.food_detail);
        for (var i = 0; i < $scope.food_detail.length; i++) {
            for (var j = 0; j < $scope.food_menu.length; j++) {
                if ($scope.food_detail[i].id == $scope.food_menu[j].id) {
                    $scope.food_detail[i].name = $scope.food_menu[j].name;
                    $scope.food_detail[i].price = $scope.food_menu[j].price;
                    $scope.food_detail[i].img = $scope.food_menu[j].img;
                }
            }
        }
    };

    //计算总价 
    $scope.allSum=function(){  
        var allPrice = 0;  
        for(var i= 0;i<$scope.food_detail.length;i++){  
            allPrice+=$scope.food_detail[i].price*$scope.food_detail[i].num;  
            // console.log(allPrice);
        }  
        return allPrice;  
    };
    
    var LODOP; //声明为全局变量
 
function printPreview(){  
    //创建小票打印页  
    CreatePrintPage();  
    //打印预览  
    LODOP.PREVIEW();      
}  
/**  
* 样例函数,服务器确认订单后执行  
*/ 
function printOrder() {  
          
    //创建小票打印页  
    CreatePrintPage();  
    //开始打印  
    LODOP.PRINT();    
      
}
         
function CreatePrintPage(json) {  
    //json 创建模拟服务器响应的订单信息对象  
    var json = {"title":"XXXXX订单信息", "name":"张三", "phone": "138123456789", "orderTime": "2012-10-11 15:30:15",   
    "orderNo": "20122157481315", "shop":"XX连锁", "total":25.10,"totalCount":6,  
    "goodsList":[  
    {"name":"菜心(无公害食品)", "price":5.00, "count":2, "total":10.08},   
    {"name":"菜心(无公害食品)", "price":5.00, "count":2, "total":10.02},   
    {"name":"旺菜", "price":4.50, "count":1, "total":4.50},  
    {"name":"黄心番薯(有机食品)", "price":4.50, "count":1, "total":4.50}  
    ]  
    }     
    var hPos=10,//小票上边距  
    pageWidth=580,//小票宽度  
    rowHeight=15,//小票行距  
    //获取控件对象  
    LODOP=getLodop(document.getElementById('LODOP_OB'),document.getElementById('LODOP_EM'));   
    //初始化   
    LODOP.PRINT_INIT("打印控件功能演示_Lodop功能_名片");  
    //添加小票标题文本  
    LODOP.ADD_PRINT_TEXT(hPos,30,pageWidth,rowHeight,json.title);  
    //上边距往下移  
    hPos+=rowHeight;  
      
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"姓名:");  
    LODOP.ADD_PRINT_TEXT(hPos,30,pageWidth,rowHeight,json.name);  
    //hPos+=rowHeight; //电话不换行  
    LODOP.ADD_PRINT_TEXT(hPos,70,pageWidth,rowHeight,"电话:");  
    LODOP.ADD_PRINT_TEXT(hPos,100,pageWidth,rowHeight,json.phone);  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"下单时间:");  
    LODOP.ADD_PRINT_TEXT(hPos,60,pageWidth,rowHeight,json.orderTime);  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"订单编号:");  
    LODOP.ADD_PRINT_TEXT(hPos,60,pageWidth,rowHeight,json.orderNo);  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"取货门店:");  
    LODOP.ADD_PRINT_TEXT(hPos,60,pageWidth,rowHeight,json.shop);  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_LINE(hPos,2, hPos, pageWidth,2, 1);  
    hPos+=5;  
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"商品名称");  
    LODOP.ADD_PRINT_TEXT(hPos,70,pageWidth,rowHeight,"单价");  
    LODOP.ADD_PRINT_TEXT(hPos,110,pageWidth,rowHeight,"数量");  
    LODOP.ADD_PRINT_TEXT(hPos,140,pageWidth,rowHeight,"小计");  
    hPos+=rowHeight;  
    //遍历json的商品数组  
    for(var i=0;i<json.goodsList.length;i++){  
          
        if(json.goodsList[i].name.length<4){  
            LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,json.goodsList[i].name);  
        }else {  
            //商品名字过长,其他字段需要换行  
            LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,json.goodsList[i].name);  
            hPos+=rowHeight;  
        }  
        LODOP.ADD_PRINT_TEXT(hPos,70,pageWidth,rowHeight,json.goodsList[i].price);  
        LODOP.ADD_PRINT_TEXT(hPos,115,pageWidth,rowHeight,json.goodsList[i].count);  
        LODOP.ADD_PRINT_TEXT(hPos,140,pageWidth,rowHeight,json.goodsList[i].total);  
        hPos+=rowHeight;  
        }  
    //商品遍历打印完毕,空一行  
    hPos+=rowHeight;  
    //合计  
    LODOP.ADD_PRINT_TEXT(hPos,80,pageWidth,rowHeight,"合计:"+json.totalCount);  
    LODOP.ADD_PRINT_TEXT(hPos,130,pageWidth,rowHeight,"￥"+json.total);  
      
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,2,pageWidth,rowHeight,(new Date()).toLocaleDateString()+" "+(new Date()).toLocaleTimeString())  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,25,pageWidth,rowHeight,"谢谢惠顾,欢迎下次光临!");  
    //初始化打印页的规格  
    LODOP.SET_PRINT_PAGESIZE(3,pageWidth,45,"XXXXX订单信息");  
      
}
  
});

Später habe ich herausgefunden, dass ich die Funktion finden und normal ausführen kann (wie unten gezeigt), wenn ich die nativen JS außerhalb der Kontrolldomäne des Controllers platziere.

app.controller('orderFormCtrl', function ($scope, $http) {
    // 订单备注
    $scope.food_remarks = [];

    // 订单详情数组
    $scope.forms_detail = [];
    $scope.food_detail = [];

    // 查询订单详情
    $scope.search_detail = function(index){  
        $scope.forms_detail = $scope.food_forms[index];
        $scope.food_remarks = $scope.food_forms[index].remarks;
        console.log($scope.forms_detail);
        // var form_num = $scope.forms_detail.order_number;
        $scope.food_detail = $scope.food_forms[index].food_detail;
        // console.log($scope.food_detail);
        for (var i = 0; i < $scope.food_detail.length; i++) {
            for (var j = 0; j < $scope.food_menu.length; j++) {
                if ($scope.food_detail[i].id == $scope.food_menu[j].id) {
                    $scope.food_detail[i].name = $scope.food_menu[j].name;
                    $scope.food_detail[i].price = $scope.food_menu[j].price;
                    $scope.food_detail[i].img = $scope.food_menu[j].img;
                }
            }
        }
    };

    //计算总价 
    $scope.allSum=function(){  
        var allPrice = 0;  
        for(var i= 0;i<$scope.food_detail.length;i++){  
            allPrice+=$scope.food_detail[i].price*$scope.food_detail[i].num;  
            // console.log(allPrice);
        }  
        return allPrice;  
    };
    

  
});

//controller控制域外
var LODOP; //声明为全局变量
 
function printPreview(){  
    //创建小票打印页  
    CreatePrintPage();  
    //打印预览  
    LODOP.PREVIEW();      
}  
/**  
* 样例函数,服务器确认订单后执行  
*/ 
function printOrder() {  
          
    //创建小票打印页  
    CreatePrintPage();  
    //开始打印  
    LODOP.PRINT();    
      
}
         
function CreatePrintPage(json) {  
    //json 创建模拟服务器响应的订单信息对象  
    var json = {"title":"XXXXX订单信息", "name":"张三", "phone": "138123456789", "orderTime": "2012-10-11 15:30:15",   
    "orderNo": "20122157481315", "shop":"XX连锁", "total":25.10,"totalCount":6,  
    "goodsList":[  
    {"name":"菜心(无公害食品)", "price":5.00, "count":2, "total":10.08},   
    {"name":"菜心(无公害食品)", "price":5.00, "count":2, "total":10.02},   
    {"name":"旺菜", "price":4.50, "count":1, "total":4.50},  
    {"name":"黄心番薯(有机食品)", "price":4.50, "count":1, "total":4.50}  
    ]  
    }     
    var hPos=10,//小票上边距  
    pageWidth=580,//小票宽度  
    rowHeight=15,//小票行距  
    //获取控件对象  
    LODOP=getLodop(document.getElementById('LODOP_OB'),document.getElementById('LODOP_EM'));   
    //初始化   
    LODOP.PRINT_INIT("打印控件功能演示_Lodop功能_名片");  
    //添加小票标题文本  
    LODOP.ADD_PRINT_TEXT(hPos,30,pageWidth,rowHeight,json.title);  
    //上边距往下移  
    hPos+=rowHeight;  
      
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"姓名:");  
    LODOP.ADD_PRINT_TEXT(hPos,30,pageWidth,rowHeight,json.name);  
    //hPos+=rowHeight; //电话不换行  
    LODOP.ADD_PRINT_TEXT(hPos,70,pageWidth,rowHeight,"电话:");  
    LODOP.ADD_PRINT_TEXT(hPos,100,pageWidth,rowHeight,json.phone);  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"下单时间:");  
    LODOP.ADD_PRINT_TEXT(hPos,60,pageWidth,rowHeight,json.orderTime);  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"订单编号:");  
    LODOP.ADD_PRINT_TEXT(hPos,60,pageWidth,rowHeight,json.orderNo);  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"取货门店:");  
    LODOP.ADD_PRINT_TEXT(hPos,60,pageWidth,rowHeight,json.shop);  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_LINE(hPos,2, hPos, pageWidth,2, 1);  
    hPos+=5;  
    LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,"商品名称");  
    LODOP.ADD_PRINT_TEXT(hPos,70,pageWidth,rowHeight,"单价");  
    LODOP.ADD_PRINT_TEXT(hPos,110,pageWidth,rowHeight,"数量");  
    LODOP.ADD_PRINT_TEXT(hPos,140,pageWidth,rowHeight,"小计");  
    hPos+=rowHeight;  
    //遍历json的商品数组  
    for(var i=0;i<json.goodsList.length;i++){  
          
        if(json.goodsList[i].name.length<4){  
            LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,json.goodsList[i].name);  
        }else {  
            //商品名字过长,其他字段需要换行  
            LODOP.ADD_PRINT_TEXT(hPos,1,pageWidth,rowHeight,json.goodsList[i].name);  
            hPos+=rowHeight;  
        }  
        LODOP.ADD_PRINT_TEXT(hPos,70,pageWidth,rowHeight,json.goodsList[i].price);  
        LODOP.ADD_PRINT_TEXT(hPos,115,pageWidth,rowHeight,json.goodsList[i].count);  
        LODOP.ADD_PRINT_TEXT(hPos,140,pageWidth,rowHeight,json.goodsList[i].total);  
        hPos+=rowHeight;  
        }  
    //商品遍历打印完毕,空一行  
    hPos+=rowHeight;  
    //合计  
    LODOP.ADD_PRINT_TEXT(hPos,80,pageWidth,rowHeight,"合计:"+json.totalCount);  
    LODOP.ADD_PRINT_TEXT(hPos,130,pageWidth,rowHeight,"￥"+json.total);  
      
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,2,pageWidth,rowHeight,(new Date()).toLocaleDateString()+" "+(new Date()).toLocaleTimeString())  
    hPos+=rowHeight;  
    LODOP.ADD_PRINT_TEXT(hPos,25,pageWidth,rowHeight,"谢谢惠顾,欢迎下次光临!");  
    //初始化打印页的规格  
    LODOP.SET_PRINT_PAGESIZE(3,pageWidth,45,"XXXXX订单信息");  
      
}

Was ist der Grund dafür? In einem Projekt, an dem ich zuvor gearbeitet habe, war es möglich, natives JS in den Controller zu schreiben. Ich weiß nicht, warum es dieses Mal nicht verwendet werden kann

我想大声告诉你
我想大声告诉你

Antworte allen(1)
巴扎黑
巴扎黑2017-05-16 13:22:20 1 Etage

基础性问题。

当在 use strict 模式下，function 应该遵循先定义后使用。

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