Index: ssts-web/src/main/webapp/js/common.js
===================================================================
diff -u -r29466 -r29515
--- ssts-web/src/main/webapp/js/common.js	(.../common.js)	(revision 29466)
+++ ssts-web/src/main/webapp/js/common.js	(.../common.js)	(revision 29515)
@@ -3347,4 +3347,30 @@
         }
         return newAry;
      }
+}
+//计算文字的宽度
+function textSize(fontSize,fontFamily,text){
+	var span = document.createElement("span");
+	var result = {};
+	result.width = span.offsetWidth;
+	result.height = span.offsetHeight;
+	span.style.visibility = "hidden";
+	span.style.fontSize = fontSize;
+	span.style.fontFamily = fontFamily;
+	span.style.display = "inline-block";
+	document.body.appendChild(span);
+	if(typeof span.textContent != "undefined"){
+	  span.textContent = text;
+	}else{
+	  span.innerText = text;
+	}
+	if(window.getComputedStyle){
+		result.width = parseInt(window.getComputedStyle(span).width) - result.width;
+		result.height = parseInt(window.getComputedStyle(span).height) - result.height;
+    }else{
+		//针对IE9以下兼容
+		result.width = parseInt(span.offsetWidth) - result.width;
+		result.height = parseInt(span.offsetHeight) - result.height;
+    }
+	return result;
 }
\ No newline at end of file