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我使用$资源进行http调用，我的后端应用程序部署在不同的端口上。当我试图使用请求方法（GET）从服务器获取数据时，我的浏览器自动附加请求方法（OPTIONS）。我阅读了关于浏览器行为的好文章，但找不到问题。如何允许跨域请求
我允许对服务器的访问控制允许的方法，但它不工作
我没有对服务器的请求的知识，请告诉我是怎么回事错在那里，为什么它是什么？
我咕噜配置
'use strict';
module.exports = function (grunt) {
require('autostrip-json-comments');
var fs = require('fs');
// Load grunt tasks automatically
require('load-grunt-tasks')(grunt);
var appSettings = require('./config/application.conf.json');
grunt.initConfig({
// Set the application settings
settings: appSettings,
connect: {
options: {
hostname: '<%= settings.dev.hostname %>',
port: '<%= settings.dev.port %>',
livereload: '<%= settings.dev.liveReloadPort %>',
options: {
index: 'index.html',
maxAge: 300000
}
},
livereload: {
options: {
open: true,
base: [
'.tmp',
'<%= settings.dev.dir %>'
],
index: 'index.html'
}
},
devel: {
options: {
port: '<%= settings.dev.port %>',
hostname: '<%= settings.dev.hostname %>',
base: {
path: '<%= settings.dev.dir %>',
options: {
index: 'index.html'
}
},
middleware: function (connect, options, middlewares) {
middlewares.unshift(function (req, res, next) {
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS');
return next();
});
return middlewares;
}
}
},
dist: {
options: {
port: '<%= settings.dist.port %>',
hostname: '<%= settings.dist.hostname %>',
base: {
path: '<%= settings.dist.dir %>',
options: {
index: 'index.html',
maxAge: 300000
}
},
middleware: function (connect, options, middlewares) {
middlewares.unshift(function (req, res, next) {
res.setHeader('Access-Control-Allow-Origin', '*');
res.setHeader('Access-Control-Allow-Methods', '*');
return next();
});
return middlewares;
}
}
},
},
watch: {
json: {
files: ['<%= settings.dev.dir %>/**/*.json', '!<%= settings.dev.dir %>/core/*.json'],
tasks: ['ngconstant:development'
]
}
},
// jsHint config
jshint: {
options: {
jshintrc: __dirname + '/.jshintrc',
reporter: require('jshint-stylish'),
force: true
},
all: [
// 'Gruntfile.js',
'<%= settings.dev.dir %>/scripts/**/*.js'
],
},
uglify: {
options: {
mangle: false,
compress: {
drop_console: true
}
}
},
less: {
dist: {
options: {
style: 'expanded',
compass: false
},
files: {
'<%= settings.dist.dir%>/assets/css/application.css': '<%= settings.dev.dir%>/assets/less/application.less'
}
},
dev: {
options: {
style: 'expanded',
compass: false,
sourceMap:'true',
sourceMapFilename: '<%= settings.dev.dir%>/assets/css/application.css.map',
sourceMapURL: '<%= settings.dev.dir%>/assets/css/application.css.map',
sourceMapBasepath: '<%= settings.dev.dir%>/assets/css/application.css.map'
},
files: {
'<%= settings.dev.dir%>/assets/css/application.css': '<%= settings.dev.dir%>/assets/less/application.less'
}
},
},
cssmin: {
target: {
files: [{
expand: true,
cwd: '<%= settings.dist.dir %>/assets/css',
src: ['*.css', '!bower_components/**'],
dest: '<%= settings.dist.dir %>/assets/css',
ext: '.min.css'
}]
}
},
clean: {
dist: {
files: [{
dot: true,
src: [
'.tmp',
'<%= settings.dist.dir %>/*',
'!<%= settings.dist.dir %>/.git*'
]
}]
},
server: '.tmp',
docs: '<%= settings.docs.dir %>',
coverage: '<%= settings.test.coverage.dir %>'
},
// Copy config
copy: {
dist: {
files: [{
expand: true,
cwd: '<%= settings.dev.dir %>',
dest: '<%= settings.dist.dir %>',
src: ['**/**', '!assets/less/**']
}]
}
},
ngconstant: {
// Options for all targets
// Environment targets
development: {
options: {
dest: '<%= settings.dev.dir %>/core/config.constant.js',
space: ' ',
wrap: '\n\n {%= __ngModule %}',
name: 'Config',
},
constants: {
$enviornment: require('./config/development.json')
}
},
production: {
options: {
dest: '<%= settings.dev.dir %>/core/config.constant.js',
space: ' ',
wrap: '\n\n {%= __ngModule %}',
name: 'Config',
},
constants: {
$enviornment: require('./config/production.json')
}
},
}
});
/* @discription
n {string} it is build type can be production/development/staging*/
grunt.registerTask('build', 'Build a production ready app', function (n) {
if (n == null) {
grunt.warn('Build type must be specified');
}
//remove console from script
if (n == "production") {
grunt.config('uglify.options.compress.drop_console', true);
} else {
grunt.config('uglify.options.compress.drop_console', false);
}
//grunt.config('copy.vendor.files[0].src', finalCopyFiles);
grunt.task.run('clean:dist',
'ngconstant:' + n,
'copy:dist',
'cssmin',
'uglify',
'less:dist'
);
});
grunt.registerTask('server', 'Start up the development live reload server', function (n) {
console.log("server" + n);
if (n == null) {
grunt.warn('Build type must be specified');
}
grunt.task.run('ngconstant:' + n,
'less:dev',
'connect:devel',
'watch:json'
// 'concurrent:dev'
);
});
grunt.registerTask('default', 'Run all servers.', [
'server'
]);
grunt.event.on('watch', function (action, filepath, target) {
//grunt.task.run('server');
});
};
我的服务就是
angular.module('samepinch.login').factory('LoginService', ['$resource','$enviornment', function ($resource,$enviornment) {
var url = $enviornment.backendurl;
return $resource(url+'authenticate',{},{
query: {method:'GET', params:{itemId:''}, isArray:true},
post: {method:'POST'},
update: {method:'PUT', params: {itemId: '@entryId'}},
remove: {method:'DELETE'}
});
}]);
我的控制器
'使用严格的';
angular.module('samepinch.login').controller('LoginController',['$scope','LoginService','$rootScope',function($scope,LoginService,$rootScope){
$rootScope.isLoginPage = true;
$rootScope.isLightLoginPage = false;
$rootScope.isLockscreenPage = false;
$rootScope.isMainPage = false;
$scope.register = function(credentials){
LoginService.query(credentials,function(success){
},function(error){
});
}
}]);