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Nginx架构篇（13）Rewrite - 替换url中一部分的内容
source link: https://blog.51cto.com/u_15630500/5372681
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例2 替换url中一部分的内容
利用正则中的”（）和\1 “，
替换url中一部分的内容。
将http://192.168.19.100/2016/a/b/c/1.html
换http://192.168.19.100/2017/a/b/c/1.html
替换url中一部分的内容。
将http://192.168.19.100/2016/a/b/c/1.html
换http://192.168.19.100/2017/a/b/c/1.html
实验环境：
mkdir -p /usr/share/nginx/2016/a/b/c/ 创建源目录
mkdir -p /usr/share/nginx/2017/a/b/c/ 创建待测试目录
echo /a/b/a/1.html > /usr/share/nginx/2017/a/b/c/1.html 仅替换url
cp /usr/share/nginx/2016/a/b/c/1.html /usr/share/nginx/2017/a/b/c/1.html
mkdir -p /usr/share/nginx/2017/a/b/c/ 创建待测试目录
echo /a/b/a/1.html > /usr/share/nginx/2017/a/b/c/1.html 仅替换url
cp /usr/share/nginx/2016/a/b/c/1.html /usr/share/nginx/2017/a/b/c/1.html
配置地址重写：
vim /etc/nginx/conf.d/default.conf
location /2016 {
rewrite ^/2016(.*)$ /2017/$1 permanent;
#^/2016(.*)$: 以/2016开头任意字符结尾
}
location /2016 {
rewrite ^/2016(.*)$ /2017/$1 permanent;
#^/2016(.*)$: 以/2016开头任意字符结尾
}
访问旧页面进行测试；http://192.168.19.100/2016/a/b/c/1.html
url因为permanent被重新改写 ，请求也变为2次。客户端重新申请了两次
cat /var/log/nginx/access.log
192.168.19.102 - - [10/Jun/2022:11:15:55 +0800] "GET /2016/a/b/c/1.html HTTP/1.1" 301 169 "-" "ELinks/0.12pre6 (textmode; Linux; 113x20-2)" "-"
192.168.19.102 - - [10/Jun/2022:11:15:55 +0800] "GET /2017//a/b/c/1.html HTTP/1.1" 200 14 "http://192.168.19.100/2016/a/b/c/1.html" "ELinks/0.12pre6 (textmode; Linux; 113x20-2)" "-"
192.168.19.102 - - [10/Jun/2022:11:15:55 +0800] "GET /2017//a/b/c/1.html HTTP/1.1" 200 14 "http://192.168.19.100/2016/a/b/c/1.html" "ELinks/0.12pre6 (textmode; Linux; 113x20-2)" "-"
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