我正试图从对Ext.data.JsonP.request
的响应中获得布尔值(成功)和HTML字符串(结果),但我不知道如何获得。这是我迄今为止的代码:
Ext.data.JsonP.request({
url: 'http://wereani.ml/shorten-app.php',
callbackKey: 'callback',
params: {
data: Ext.encode(values)
},
success: function(response) {
console.log(response);
console.log(JSON.stringify(values));
console.log('Link Shortened');
if(response.responseText['success'] == true) {
Ext.Msg.alert('Link Shortened', response.responseText, Ext.emptyFn);
} else {
Ext.Msg.alert('Error', response.responseText, Ext.emptyFn);
}
form.reset();
},
failure: function(response) {
console.log(response);
console.log(JSON.stringify(values));
console.log('Error');
Ext.Msg.alert('Error', 'Please try again.', Ext.emptyFn);
}
});
一些样本JSON-p:
callback({"success":false,"result":"<div class="error">Please enter a valid link to shorten!</div>"})
我当前得到的错误是Uncaught TypeError: Cannot read property 'success' of undefined
。提前感谢您的帮助!
编辑:似乎response
是Object {success: false, result: "<div class="error">Please enter a valid link to shorten!</div>"}
,而response.responseText
是undefined
。我用错变量了吗?我在response
上找不到任何文档。
编辑2:Console.log(response.responseText)
返回undefined的原因似乎是因为它……是。我传递的JsonP编码的变量(success
和result
)被自动解析到对象中,而response.responseText
从未被创建(尽管我认为它应该被创建)。解决方案是直接读取response.success
和response.result
!
回答:这是有效的代码。感谢Viswa的帮助!
Ext.data.JsonP.request({
url: 'http://wereani.ml/shorten-app.php',
callbackKey: 'callback',
params: {
data: Ext.encode(values)
},
success: function(response) {
if(response.success === true) {
Ext.Msg.alert('Link Shortened', response.result, Ext.emptyFn);
} else {
Ext.Msg.alert('Error', response.result, Ext.emptyFn);
}
form.reset();
},
failure: function(response) {
console.log('Error');
Ext.Msg.alert('Error', '<div class="error">Please try again.</div>', Ext.emptyFn);
}
});
像这样尝试
Ext.data.JsonP.request({
url: 'http://example.com/script.php',
callbackKey: 'callback',
params: {
data: Ext.encode(values)
},
success : function(response) {
console.log("Spiffing, everything worked");
// success property
console.log(response.success);
// result property
console.log(response.result);
},
failure: function(response) {
console.log(response);
Ext.Msg.alert('Error', 'Please try again.', Ext.emptyFn);
}
});