angular $http.post request payload方式转为form data

app.js进行参数设置

var param = function(obj) {
    var query = '',name,value,fullSubName,subName,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;
  };

var DnApp = angular.module('DnApp',['ui.router','ngCookies','ngFileUpload','Encryption']);

DnApp.config( 
  $httpProvider.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded;charset=utf-8';
  $httpProvider.defaults.transformRequest = function(data){
     return param(data);
  })

（编辑：李大同）

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