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详解VueJs前后端分离跨域问题

2017-05-24 10:28 841 查看

使用vue-cli搭建的vue项目

可以使用在项目内设置代理（proxyTable）的方式来解决跨域问题

设置配置项的目录在config下的index.js，主要通过配置proxyTable项，设置代理指向你的后台地址

dev: {
env: require('./dev.env'),
port: 8085,
autoOpenBrowser: true,
assetsSubDirectory: 'static',
assetsPublicPath: '/',
proxyTable: {
'/agent': {
target: 'http://127.0.0.1:7105/',
changeOrigin: true,
pathRewrite: {
'^/agent': ''
}
}
},
// 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
}

前端使用vue-resource来发起请求时

//在main.js中设置公用的地址
Vue.prototype.rootUrl = '/agent/';

//在具体page中发起请求的方式
that.$http.post(this.rootUrl + 'login', parms).then(function (response) {
// 响应成功回调
console.log(response);
}, function (response) {
// 响应错误回调
});

其他方式搭建的前端项目，通过使用nginx启动前端服务同时配置代理

下列是我的nginx配置文件，不管是通过什么方式搭建的前端项目，构建成功后都会输出一个dist文件，我们只需要将nginx服务目录指向你的dist文件下你项目的入口文件即可

我的文件目录是 root D:\openplatform\portal\webapp\dist; 更改此条配置到你的目录我入口文件名称是index.html 使用的是vue-cli打包的项目，参考vue-cli npm run build的dist目录，指向那个目录下

#user nobody;
worker_processes 4;

#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;

#pid    logs/nginx.pid;

events {
worker_connections 1024;
}

http {
include    mime.types;
default_type application/octet-stream;

#log_format main '$remote_addr - $remote_user [$time_local] "$request" "$status" $body_bytes_sent "$http_referer" "$http_user_agent" "$http_x_forwarded_for" "$gzip_ratio" $request_time $bytes_sent $request_length';

log_format main '[$time_iso8601] [$remote_addr] [$request] [$http_user_agent] [$cookie_customerID_cookie_flag] [$args]';

access_log logs/access.log main;

sendfile    on;
#tcp_nopush   on;

#keepalive_timeout 0;
keepalive_timeout 65;

gzip on;
gzip_min_length 1k;
gzip_buffers 4 16k;
gzip_http_version 1.0;
gzip_comp_level 3;
gzip_proxied any;
gzip_types *;

server {
listen     80;
root D:\openplatform\portal\webapp\dist;
index index.html;

location / {
try_files $uri $uri/ @router;
index index.html;
}
location @router {
rewrite ^.*$ /index.html last;
}
location ^~/agent/ {
proxy_pass  http://127.0.0.1:7105/;
proxy_redirect  http://127.0.0.1:7105/ /;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header REMOTE-HOST $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_connect_timeout 600s;
proxy_read_timeout 600s;
proxy_send_timeout 600s;
}
}

# another virtual host using mix of IP-, name-, and port-based configuration
#
#server {
#  listen    8000;
#  listen    somename:8080;
#  server_name somename alias another.alias;

#  location / {
#    root  html;
#    index index.html index.htm;
#  }
#}

# HTTPS server
#
#server {
#  listen    443 ssl;
#  server_name localhost;

#  ssl_certificate   cert.pem;
#  ssl_certificate_key cert.key;

#  ssl_session_cache  shared:SSL:1m;
#  ssl_session_timeout 5m;

#  ssl_ciphers HIGH:!aNULL:!MD5;
#  ssl_prefer_server_ciphers on;

#  location / {
#    root  html;
#    index index.html index.htm;
#  }
#}
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。

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