AngularJS $http踩坑(1)

  1. 1. 对比:
  2. 2. 解决办法:
  3. 3. 参考文档
    1. 3.0.1. 文章若有纰漏请大家补充指正,谢谢~~

AngularJS中的post与jQuery中post的区别

对比:

AngularJS:

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$http.post('/myserver', {username: 'shang'})
.success(function(){
// some code
});

jQuery

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$.post('/myserver', {username: 'shang'}, function() {
// some code
});

后台Express接受

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req.body.username // jq: 'shang'; ng: undefined

jq会把作为JSON对象的序列化, 而Angular不会

解决办法:

  • 引入jquery (不推荐)
  • 指定header

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    var myobject = {username: 'shang'};

    function ObjecttoParams(obj) {
    var p = [];
    for (var key in obj) {
    p.push(key + '=' + encodeURIComponent(obj[key]));
    }
    return p.join('&');
    }

    $http({
    method: 'POST',
    url: url,
    data: ObjecttoParams(myobject),
    headers: {'Content-Type':'application/x-www-form-urlencoded'}
    });
  • 使用 angular-post-fix

https://gist.github.com/JensRantil/5713606

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// Modifies $httpProvider for correct server communication (POST variable format)
angular.module('http-post-fix', [], function($httpProvider) {
// This code is taken from http://victorblog.com/2012/12/20/make-angularjs-http-service-behave-like-jquery-ajax/

// Use x-www-form-urlencoded Content-Type
$httpProvider.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded;charset=utf-8';

// Override $http service's default transformRequest
$httpProvider.defaults.transformRequest = [function(data) {
/**
* The workhorse; converts an object to x-www-form-urlencoded serialization.
* @param {Object} obj
* @return {String}
*/
var param = function(obj) {
var query = '';
var name, value, fullSubName, subValue, innerObj, i;

for(name in obj) {
value = obj[name];

if(value instanceof Array) {
for(i=0; i<value.length; ++i) {
subValue = value[i];
fullSubName = name + '[' + i + ']';
innerObj = {};
innerObj[fullSubName] = subValue;
query += param(innerObj) + '&';
}
} else if(value instanceof Object) {
for(subName in value) {
subValue = value[subName];
fullSubName = name + '[' + subName + ']';
innerObj = {};
innerObj[fullSubName] = subValue;
query += param(innerObj) + '&';
}
} else if(value !== undefined && value !== null) {
query += encodeURIComponent(name) + '=' + encodeURIComponent(value) + '&';
}
}

return query.length ? query.substr(0, query.length - 1) : query;
};

return angular.isObject(data) && String(data) !== '[object File]' ? param(data) : data;
}];
});

参考文档


文章若有纰漏请大家补充指正,谢谢~~

http://blog.xinshangshangxin.com SHANG殇