kangwei：修改计算工具类

康伟
sk-base-common/src/main/java/com/skua/tool/util/JSUtils.java
--- a/sk-base-common/src/main/java/com/skua/tool/util/JSUtils.java
查看文件 @f9d42c2
+++ b/sk-base-common/src/main/java/com/skua/tool/util/JSUtils.java
查看文件 @f9d42c2
@@ -38,7 +38,7 @@ public class JSUtils {
        return executeExpression(expression,"0.00");
    }
    public static String divide(Object obj1 , Object obj2){
-        if(StringUtils.isNotEmpty(obj1.toString())){
+        if(obj1!= null && obj2!=null && StringUtils.isNotEmpty(obj1.toString())){
            if(StringUtils.isNotEmpty(obj2.toString()) && Double.parseDouble(obj2.toString())!=0){
                String expression =  obj1+ "/" + obj2;
                return executeExpression(expression,"0.00");