ͨURLַ£
http://localhost:8080/?searchby=0&days=0&keyword=2&beforafter=0&days=0&categoryid=0&searchandor=0

ǹ˵
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++	+˵+
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rows		ÿҳʾ¼
offset		ƫֵһҳΪ0ڶҳΪ2*rows,ҳΪ3*rows..
keyword		ѯؼ
searchby	ʲô1⣬2ݣ0ȫģ⣫ݣ	
sortby		1ʱ2ض
beforafter	ʱƣҪͬʱdaysֵ),1=days֮ڣ2daysǰ
days		ãͨbeforaferʹ
categoryid	ĿID
searchandor     ؼʱǡ򡱻ǡ롱