Javascript angularjs推送功能不工作
嗨,我正在尝试制作一个单页angular js应用程序,但是在添加到列表“schedulelist”时,只有最新的记录被推到列表中,所有以前的记录都被最新的记录替换 这是我的Html:Javascript angularjs推送功能不工作,javascript,angularjs,Javascript,Angularjs,嗨,我正在尝试制作一个单页angular js应用程序,但是在添加到列表“schedulelist”时,只有最新的记录被推到列表中,所有以前的记录都被最新的记录替换 这是我的Html: <table class="table1" cellspacing=2 cellpadding=5 border=0> <div ng-repeat="scheduleDTO in schedules"> <tr> <td> <SELECT
<table class="table1" cellspacing=2 cellpadding=5 border=0>
<div ng-repeat="scheduleDTO in schedules">
<tr>
<td>
<SELECT id="days" name="days" class="form-right" style="width:90%" ng-model="scheduleDTO.day_of_the_week" required>
<OPTION selected value="Monday">Monday</OPTION>
<OPTION value="Tuesday">Tuesday</OPTION>
<OPTION value="Wednesday">Wednesday</OPTION>
<OPTION value="Thursday">Thursday</OPTION>
<OPTION value="Friday">Friday</OPTION>
<OPTION value="Saturday">Saturday</OPTION>
<OPTION value="Sunday">Sunday</OPTION>
</SELECT>
</td>
<td>
<SELECT id="start_time" name="Start" class="form-right" style="width:90%" ng-model="scheduleDTO.start_time" required>
<OPTION value="1:00">01:00</OPTION>
<OPTION value="2:00">02:00</OPTION>
<OPTION value="3:00">03:00</OPTION>
<OPTION value="4:00">04:00</OPTION>
<OPTION value="5:00">05:00</OPTION>
<OPTION value="6:00">06:00</OPTION>
<OPTION value="7:00">07:00</OPTION>
<OPTION value="8:00">08:00</OPTION>
<OPTION selected value="9:00">09:00</OPTION>
<OPTION value="10:00">10:00</OPTION>
<OPTION value="11:00">11:00</OPTION>
<OPTION value="12:00">12:00</OPTION>
</SELECT>
</td>
<td>
<SELECT id="start" name="am" class="form-right" style="width:90%" ng-model="scheduleDTO.start_time_meridiem"required>
<OPTION selected value="AM">AM</OPTION>
<OPTION value="PM">PM</OPTION>
</SELECT>
<td><SELECT id="end_time"class="form-right" name="end" style="width:90%" ng-model="scheduleDTO.end_time" required>
<OPTION value="1:00">01:00</OPTION>
<OPTION value="2:00">02:00</OPTION>
<OPTION value="3:00">03:00</OPTION>
<OPTION value="4:00">04:00</OPTION>
<OPTION selected value="5:00">05:00</OPTION>
<OPTION value="6:00">06:00</OPTION>
<OPTION value="7:00">07:00</OPTION>
<OPTION value="8:00">08:00</OPTION>
<OPTION value="9:00">09:00</OPTION>
<OPTION value="10:00">10:00</OPTION>
<OPTION value="11:00">11:00</OPTION>
<OPTION value="12:00">12:00</OPTION>
</SELECT>
</td>
<td>
<SELECT id="end" name="pm" class="form-right" style="width:90%" ng-model="scheduleDTO.end_time_meridiem" required>
<OPTION value="AM">AM</OPTION>
<OPTION selected value="PM">PM</OPTION>
</SELECT>
</td>
<td><input type="button" class="addSch" ng-click="add(scheduleDTO)" value="Add Schedule" style="width:90%"> <!-- add_schedule(); -->
</td>
</tr>
</div>
</table>
<table align='center' class="table1" cellspacing=2 cellpadding=5 id="table" border=0>
<tr ng-repeat="ScheduleDTO in schedulelist">
<td>{{scheduleDTO.day_of_the_week}}</td>
<td>{{scheduleDTO.start_time}}</td>
<td>{{scheduleDTO.start_time_meridiem}}</td><td>To</td>
<td>{{scheduleDTO.end_time}}</td>
<td>{{scheduleDTO.end_time_meridiem}}</td>
<td><input type='button' value='Delete' class='delete' ng-click="remove(scheduleDTO)"></td>
</table>
用于避免模式中的引用副本
这是同一个被再次使用和数据被覆盖
$scope.schedulelist.push({"ScheduleDTO":angular.copy(schedule)});
javascript中只有一个对象实例,如果您创建一个对象,将有一个对它的引用,即如果您在对象中更改,所有值都将更改,因此即使您每次更改值,数组中推送的所有值都将引用同一个对象。 更好的解决方案是
$scope.add = function (scheduleValue)
{
var schedule=angular.copy(scheduleValue);
schedule.volunteer_id="";
schedule.sid="";
$scope.schedulelist.push({"ScheduleDTO":schedule});
alert(angular.toJson($scope.schedulelist));
};
问题就在这方面 $scope.schedulelist.push({“ScheduleDTO”:schedule}) 每个团队都会将一条记录推送到对象的ScheduleDTO属性,每次新条目都会替换旧条目 你可以这样做
$scope.add = function (schedule)
{ schedule.volunteer_id="";
schedule.sid="";
//Create an array of ScheduleDTO
if( $scope.schedulelist.ScheduleDTO instanceof Array == false) {
$scope.schedulelist.ScheduleDTO = []
}
//Push the schedule into the array
$scope.schedulelist.ScheduleDTO.push(schedule);
alert(angular.toJson($scope.schedulelist));
};
使用角度复制,还可以从选择框和列表中更改变量名称
你能帮个忙吗?非常感谢你的帮助。但还有一个问题。打印时只打印最新的记录,您可以创建一个小提琴。这会有帮助的。
$scope.add = function (schedule)
{ schedule.volunteer_id="";
schedule.sid="";
//Create an array of ScheduleDTO
if( $scope.schedulelist.ScheduleDTO instanceof Array == false) {
$scope.schedulelist.ScheduleDTO = []
}
//Push the schedule into the array
$scope.schedulelist.ScheduleDTO.push(schedule);
alert(angular.toJson($scope.schedulelist));
};
(function($){
try{
var demoApp = angular.module('demoApp',[]);
demoApp.controller('demoController',['$scope',function($scope){
$scope.schedulelist = [
];
$scope.add = function (scheduleObject) {
var schedule = angular.copy(scheduleObject)
schedule['volunteer_id']="";
schedule['sid']="";
$scope.schedulelist.push(
{"ScheduleDTO":schedule}
);
};
$scope.remove = function(schedule) {
var index = $scope.schedulelist.indexOf(schedule);
$scope.schedulelist.splice(index, 1);
alert(angular.toJson($scope.schedulelist));
};
}])
}catch(e){
console.log(e)
}
})(jQuery)