CSS限制字数
overflow:hidden;
white-space:nowrap;
text-overflow:ellipsis; /* for IE */
-o-text-overflow: ellipsis; /* for Opera */
-icab-text-overflow: ellipsis; /* for iCab */
-khtml-text-overflow: ellipsis; /* for Konqueror Safari */
-moz-text-overflow: ellipsis; /* for Firefox,mozilla */
-webkit-text-overflow: ellipsis; /* for Safari,Swift*/
CSS限制字数