解决了，我将执行文件由info.php修改为i.php之后就ok了，我想，可能是浏览器缓存。。。。。
下面有两个sever块，第二个就是复制第一个sever，只是将目录位置由dev修改为test，出现了这样的结果：
第一个sever全部正常，能够解析html，也能解析php第二个sever只能解析html，遇到.php的页面弹出下载窗口
http {
include mime.types;
default_type application/octet-stream;
sendfile on;tcp_nopush on;keepalive_timeout 65;tcp_nodelay on;fastcgi_connect_timeout 300;fastcgi_send_timeout 300;fastcgi_read_timeout 300;fastcgi_buffer_size 64k;fastcgi_buffers 4 64k;fastcgi_busy_buffers_size 128k;fastcgi_temp_file_write_size 128k;gzip on;gzip_min_length 1k;gzip_buffers 4 16k;gzip_http_version 1.0;gzip_comp_level 2;gzip_types text/plain application/x-javascript text/css application/xml;gzip_vary on;server { listen 80; server_name dev.com; fastcgi_intercept_errors on; location / { index index.html index.htm index.php; root /library/webserver/public_html/dev; } location ~ .*\.(php|php5)?$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; include /usr/local/etc/nginx/fastcgi_params; fastcgi_param script_filename /library/webserver/public_html/dev/$fastcgi_script_name; } location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|ico)$ { expires 30d; } location ~ .*\.(js|css)?$ { expires 1h; } error_page 400 401 402 403 404 /40x.html; location = /40x.html { root /library/webserver/public_html/dev/; } error_page 500 502 503 504 /50x.html; location = /50x.html { #root html; root /library/webserver/public_html/dev/; }}server { listen 80; server_name test.com; location / { index index.html index.htm index.php; root /library/webserver/public_html/test; } location ~ .*\.(php|php5)?$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; include /usr/local/etc/nginx/fastcgi_params; fastcgi_param script_filename /library/webserver/public_html/test/$fastcgi_script_name; } location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|ico)$ { expires 30d; } location ~ .*\.(js|css)?$ { expires 1h; } error_page 400 401 402 403 404 /40x.html; location = /40x.html { root /library/webserver/public_html/dev/; } error_page 500 502 503 504 /50x.html; location = /50x.html { #root html; root /library/webserver/public_html/dev/; }}log_format access '$remote_addr - $remote_user [$time_local] $request ' '$status $body_bytes_sent $http_referer ' '$http_user_agent $http_x_forwarded_for';access_log /usr/local/var/log/nginx/access.log access;

}
回复内容： 解决了，我将执行文件由info.php修改为i.php之后就ok了，我想，可能是浏览器缓存。。。。。
下面有两个sever块，第二个就是复制第一个sever，只是将目录位置由dev修改为test，出现了这样的结果：
第一个sever全部正常，能够解析html，也能解析php第二个sever只能解析html，遇到.php的页面弹出下载窗口
http {
include mime.types;
default_type application/octet-stream;
sendfile on;tcp_nopush on;keepalive_timeout 65;tcp_nodelay on;fastcgi_connect_timeout 300;fastcgi_send_timeout 300;fastcgi_read_timeout 300;fastcgi_buffer_size 64k;fastcgi_buffers 4 64k;fastcgi_busy_buffers_size 128k;fastcgi_temp_file_write_size 128k;gzip on;gzip_min_length 1k;gzip_buffers 4 16k;gzip_http_version 1.0;gzip_comp_level 2;gzip_types text/plain application/x-javascript text/css application/xml;gzip_vary on;server { listen 80; server_name dev.com; fastcgi_intercept_errors on; location / { index index.html index.htm index.php; root /library/webserver/public_html/dev; } location ~ .*\.(php|php5)?$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; include /usr/local/etc/nginx/fastcgi_params; fastcgi_param script_filename /library/webserver/public_html/dev/$fastcgi_script_name; } location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|ico)$ { expires 30d; } location ~ .*\.(js|css)?$ { expires 1h; } error_page 400 401 402 403 404 /40x.html; location = /40x.html { root /library/webserver/public_html/dev/; } error_page 500 502 503 504 /50x.html; location = /50x.html { #root html; root /library/webserver/public_html/dev/; }}server { listen 80; server_name test.com; location / { index index.html index.htm index.php; root /library/webserver/public_html/test; } location ~ .*\.(php|php5)?$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; include /usr/local/etc/nginx/fastcgi_params; fastcgi_param script_filename /library/webserver/public_html/test/$fastcgi_script_name; } location ~ .*\.(gif|jpg|jpeg|png|bmp|swf|ico)$ { expires 30d; } location ~ .*\.(js|css)?$ { expires 1h; } error_page 400 401 402 403 404 /40x.html; location = /40x.html { root /library/webserver/public_html/dev/; } error_page 500 502 503 504 /50x.html; location = /50x.html { #root html; root /library/webserver/public_html/dev/; }}log_format access '$remote_addr - $remote_user [$time_local] $request ' '$status $body_bytes_sent $http_referer ' '$http_user_agent $http_x_forwarded_for';access_log /usr/local/var/log/nginx/access.log access;

}
解决了，我将执行文件由info.php修改为i.php之后就ok了，我想，可能是浏览器缓存。。。。。
应该是scriptfilename 设置的问题
你看include /usr/local/etc/nginx/fastcgiparams 这个文件里的script_filename是什么