js里截取字符串

@@ -373,6 +373,30 @@ define('yohood', function(require, exports) {
 			$(".search-btn").click();
 		});
 
+		//截取字符串
+		function cutString(str, len) {
+			//length属性读出来的汉字长度为1
+			if(str.length*2 <= len) {
+				return str;
+			}
+			var strlen = 0;
+			var s = "";
+			for(var i = 0;i < str.length; i++) {
+				s = s + str.charAt(i);
+				if (str.charCodeAt(i) > 128) {
+					strlen = strlen + 2;
+					if(strlen >= len){
+						return s.substring(0,s.length-1) + "...";
+					}
+				} else {
+					strlen = strlen + 1;
+					if(strlen >= len){
+						return s.substring(0,s.length-2) + "...";
+					}
+				}
+			}
+			return s;
+		}
 		//搜素品牌
 		$('.search-wrap').find('input').on('keyup', function() {
 			$(".search-btn").trigger("click.search");
@@ -394,7 +418,7 @@ define('yohood', function(require, exports) {
 						$.each(brands, function(k, v) {
 							html += '<li><a href="javascript:;" target="_blank" title="' + v.name + '"><div class="img-box" brand_id="' + v.id + '">' +
 								'<img  class="grey-brand-logo" width="145" height="97" src="' + common.getImages(v.logo, 'source', 'blogimg', 'primary') + '" alt="" alt="' + v.name + '"></div>' +
-								'<p>' + v.name + '</p></a></li>';
+								'<p>' + cutString(v.name,20) + '</p></a></li>';
 						});
 						$(".brand-content").html(template.replace('{li}', html));
 					} else {