修复zn_CN编码不统一的情况

src/main/java/com/gxwebsoft/cms/param/CmsWebsiteFieldParam.java

@@ -48,10 +48,6 @@ public class CmsWebsiteFieldParam extends BaseParam {
     @ApiModelProperty(value = "名称")
     private String value;
 
-    @ApiModelProperty(value = "国际化语言")
-    @QueryField(type = QueryType.EQ)
-    private String lang;
-
     @ApiModelProperty(value = "排序(数字越小越靠前)")
     @QueryField(type = QueryType.EQ)
     private Integer sortNumber;

src/main/java/com/gxwebsoft/common/core/web/BaseParam.java

@@ -28,6 +28,10 @@ public class BaseParam implements Serializable {
     @ApiModelProperty("分页查询每页数量")
     private Long limit;
 
+    @ApiModelProperty(value = "国际化语言")
+    @TableField(exist = false)
+    private String lang;
+
     @TableField(exist = false)
     @ApiModelProperty(value = "排序字段", notes = "排序字段或sql, 如果是sql则order字段无用, 如: `id asc, name desc`")
     private String sort;
@@ -77,4 +81,10 @@ public class BaseParam implements Serializable {
         return CommonUtil.listGetOne(records);
     }
 
+    public String getLang(){
+      if(this.lang.equals("zh")){
+        return "zh_CN";
+      }
+      return this.lang;
+    }
 }