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[英]passing parameter from angular $http.get to django views.py through url
[英]Passing URL parameter to Rest Method through Angular $HTTP
我無法通過角度優化的html頁面將URL參數發送到rest方法。
我的休息方法:
router.get("/url/id/:urlid",function(req,res){
var query = "SELECT urlID AS libraryid, "
+ "URL AS libraryitem "
+ "FROM ?? "
+ "WHERE active = 1 "
+ "AND ?? = ? "
whereClause = ['urls', 'urlid', req.params.urlid];
query = mysql.format(query,whereClause);
connection.query(query,function(err,rows){
if(err) {
console.log("Rest Call Error");
res.json({"Error" : true, "Message" : "Error executing MySQL query", "Query" : query});
} else {
console.log("Rest Call Success", rows);
res.json({"Error" : false, "Message" : "Displayed the url "+req.params.urlid, "Query" : query, "URLs" : rows});
}
});
我可以直接調用rest方法並收到以下結果
{
"Error": false,
"Message": "Displayed the url 5",
"Query": "SELECT urlID AS libraryid, URL AS libraryitem FROM `urls` WHERE active = 1 AND `urlid` = '5' ",
"URLs": [
{
"libraryid": 5,
"libraryitem": "url"
}
]
}
控制器
app.controller("UrlByIDController", function ($scope, $http) {
$http.get('/api/url/id/{{urlid}}')
.then(function(data) {
console.log("URl loading", data)
$scope.links = data['URLs'];
})
.catch(function(response) {
console.error('Loading URL error', response.status, response.data);
})
.finally(function() {
console.log("finally finished loading urls");
});
});
html模板
<div class="form-group">
<label for="txtURL" class="control-label col-xs-3">URL</label>
<div class="col-xs-3" ng-controller="UrlByIDController" >
<input type="text"
id="txtURL"
class="ng-valid ng-dirty"
ng-model="formData.txtURL"
value="{{links.libraryitem}}"
placeholder="URL of Ad" />
</div>
</div>
當我調試頁面時,我沒有收到錯誤,但是傳遞給rest方法的id值是短語“ urlid”。 我確信這是我所缺少的基本知識。
您無法使用“ {{urlid}}”在Angular Controller中訪問您的urlid。 此語法只能在HTML模板中使用。
我看不到您的Controller如何從中獲取urlid值。 一種可能是訪問$ scope中的urlid。 但是您必須先將其設置為:
$http.get('/api/url/id/' + $scope.urlid)
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