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<canvas id="xxx" ></canvas> <script> var yyy = document.getElementById('xxx'); var imgsrcmrt = ''; var context = yyy.getContext('2d'); var lineWidth = 5 var xyarr = []; var Continue = true; autoSetCanvasSize(yyy) listenToUser(yyy) var eraserEnabled = false; //清除事件 /* document.getElementById("clear").onclick = function () { context.clearRect(0, 0, yyy.width, yyy.height); xyarr = []; Continue = true; } */ //下载事件 /* document.getElementById("download").onclick = function () { var url = yyy.toDataURL("image/png") var a = document.createElement('a') document.body.appendChild(a) a.href = url a

首先； 安装Nginx vim nginx.conf(反向代理) worker_processes 1; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; upstream default_server { server 192.168.184.152 weight=1; server 192.168.184.153 weight=1; } server { listen 80; server_name www.yunjisuan.com; location / { proxy_pass http://default_server; #root html; #index index.html index.htm; } } } [root@wangxiong conf]# /usr/local/nginx/sbin/nginx [root@wangxiong conf]# vim /etc/hosts [root@wangxiong html]# mkdir www [root@wangxiong html]# ls 50x.html index.html www