vue下跨域设置的相关介绍

dev: {

 env: require('./dev.env'),
 port: 8080,
 autoOpenBrowser: false,
 assetsSubDirectory: 'static',
 assetsPublicPath: '/',
 proxyTable: {
 '/api': {
 target: 'http://api.douban.com/v2',
 changeOrigin: true,
 pathRewrite: {
 '^/api': ''
 }
 }
 },
 // CSS Sourcemaps off by default because relative paths are "buggy"
 // with this option, according to the CSS-Loader README
 // (https://github.com/webpack/css-loader#sourcemaps)
 // In our experience, they generally work as expected,
 // just be aware of this issue when enabling this option.
 cssSourceMap: false
}

Vue.prototype.HOST = '/api'

var url = this.HOST + '/movie/in_theaters'
 this.$http.get(url).then(res => {
 this.movieList = res.data.subjects;
 },res => {
 console.info('调用失败');
 });