更改一个更好的办法，来自ppk。http://www.quirksmode.org/oddsandends/wbr.html
更改一个更好的办法，来自ppk。http://www.quirksmode.org/oddsandends/wbr.html

BaiduFE/Tangram-base,BaiduFE/Tangram-base,cnberg/Tangram-base,cnberg/Tangram-base,cnberg/Tangram-base,BaiduFE/Tangram-base