角 - 过滤去除阵列空白字符串 [英] Angular - Filter to remove blank strings from array
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问题描述
我有一个数组的对象...阵列可以包含空格,如何创建角度滤波器去除空白,以确定数组的长度?
$ scope.myData = {
[1,1,4,4,N,4,6,8,,,,,, ,,,,,]
[2,2,4,6,0,6,5,4,2,,8,,, ,,,,,]
[2,3,,,,,,,,,,,,,, ,,,]
[3,F,D,3,5,1,D,5,,,,,, ,,,,,]
[1,V,4,4,3,2,1,1,4,,,,, ,,,,,]
[4,5,8,6,4,2,8,7,1,1,2,, ,,,,,,]
[4,4,R,F,D,8,4,2,4,8,7,4, 8,,,,,,]
[D,5,F,,,,,,,,,,,,, ,,,]
[1,4,1,3,4,B,D,G,,,,,, ,,,,,]
}
HTML
< DIV NG重复=数据myData的>
< DIV NG-秀=(数据| myFilter)。长度大于10>
如果显示长度大于10
< / DIV>
< DIV NG-秀=(数据| myFilter)。长度→15>
如果显示长度大于15
< / DIV>
< / DIV>
感谢
解决方案
\r
\r\r
\r VAR应用= angular.module('应用',[]);\r
app.filter('myFilter',函数(){\r
\r
返回功能(输入){\r
变种newInput = [];\r
angular.forEach(输入功能(项目){\r
的console.log(项目);\r
如果(项目=!)newInput.push(项目);\r
});\r
返回newInput;\r
};\r
});\r
\r
\r
app.controller('fCtrl',函数($范围){\r
\r
$ scope.myData = [\r
[1,1,4,4,N,4,6,8,,,,,, ,,,,],\r
[2,2,4,6,0,6,5,4,2,,8,,, ,,,,],\r
[2,3,,,,,,,,,,,,,, ,,],\r
[3,F,D,3,5,1,D,5,,,,,, ,,,,],\r
[1,V,4,4,3,2,1,1,4,,,,, ,,,,],\r
[4,5,8,6,4,2,8,7,1,1,2,, ,,,,,],\r
[4,4,R,F,D,8,4,2,4,8,7,4, 8,,,,,],\r
[D,5,F,,,,,,,,,,,,, ,,],\r
[1,4,1,3,4,B,D,G,,,,,, ,,,,]\r
];\r
\r
\r
\r
\r
});
\r
&LT;脚本SRC =https://ajax.googleapis.com/ajax /libs/angularjs/1.2.23/angular.min.js\"></script>\r
\r
&LT; DIV NG-应用=应用程序&GT;\r
&LT; DIV NG控制器=fCtrl&GT;\r
\r
&LT; DIV NG重复=数据myData的&GT;\r
&LT;跨度&GT; {{数据| myFilter}}&LT; / SPAN&GT;\r
&LT; DIV NG-秀=(数据| myFilter)。长度大于10&GT;\r
如果显示长度大于10\r
&LT; / DIV&GT;\r
\r
\r
&LT; DIV NG-秀=(数据| myFilter)。长度→15&GT;\r
如果显示长度大于15\r
&LT; / DIV&GT;\r
&LT;小时/&GT;\r
&LT; / DIV&GT;\r
&LT; / DIV&GT;\r
&LT; / DIV&GT;
\r
I have an object of arrays... The array can contain blanks, how can i create an ANgular filter to remove the blanks to determine the length of the array?
$scope.myData = {
["1", "1", "4", "4", "N", "4", "6", "8", "", "", "", "", "", "", "", "", "", "", ],
["2", "2", "4", "6", "0", "6", "5", "4", "2", "", "8", "", "", "", "", "", "", "", ],
["2", "3", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", ],
["3", "F", "D", "3", "5", "1", "D", "5", "", "", "", "", "", "", "", "", "", "", ],
["1", "V", "4", "4", "3", "2", "1", "1", "4", "", "", "", "", "", "", "", "", "", ],
["4", "5", "8", "6", "4", "2", "8", "7", "1", "1", "2", "", "", "", "", "", "", "", ],
["4", "4", "R", "F", "D", "8", "4", "2", "4", "8", "7", "4", "8", "", "", "", "", "", ],
["D", "5", "F", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", ],
["1", "4", "1", "3", "4", "B", "D", "G", "", "", "", "", "", "", "", "", "", "", ]
}
HTML:
<div ng-repeat="data in myData">
<div ng-show="(data | myFilter).length > 10">
Show if length greater than 10
</div>
<div ng-show="(data | myFilter).length > 15">
Show if length greater than 15
</div>
</div>
Thanks
解决方案
var app = angular.module('app', []);
app.filter('myFilter', function() {
return function(input) {
var newInput = [];
angular.forEach(input, function(item) {
console.log(item);
if (item != "") newInput.push(item);
});
return newInput;
};
});
app.controller('fCtrl', function($scope) {
$scope.myData = [
["1", "1", "4", "4", "N", "4", "6", "8", "", "", "", "", "", "", "", "", "", ""],
["2", "2", "4", "6", "0", "6", "5", "4", "2", "", "8", "", "", "", "", "", "", ""],
["2", "3", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", ""],
["3", "F", "D", "3", "5", "1", "D", "5", "", "", "", "", "", "", "", "", "", ""],
["1", "V", "4", "4", "3", "2", "1", "1", "4", "", "", "", "", "", "", "", "", ""],
["4", "5", "8", "6", "4", "2", "8", "7", "1", "1", "2", "", "", "", "", "", "", ""],
["4", "4", "R", "F", "D", "8", "4", "2", "4", "8", "7", "4", "8", "", "", "", "", ""],
["D", "5", "F", "", "", "", "", "", "", "", "", "", "", "", "", "", "", ""],
["1", "4", "1", "3", "4", "B", "D", "G", "", "", "", "", "", "", "", "", "", ""]
];
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="app">
<div ng-controller="fCtrl">
<div ng-repeat="data in myData ">
<span>{{data | myFilter }}</span>
<div ng-show="(data | myFilter).length > 10">
Show if length greater than 10
</div>
<div ng-show="(data | myFilter).length > 15">
Show if length greater than 15
</div>
<hr/>
</div>
</div>
</div>
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