add 公共方法，修改SQL查询中的%

jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/oConvertUtils.java

@@ -2,6 +2,7 @@ package com.jero.common.util;
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
 
 import javax.servlet.http.HttpServletRequest;
@@ -670,6 +671,10 @@ public class oConvertUtils {
 	 * sql查询时替换所有%
 	 */
 	public static String replaceAllPercent(String value){
-		return value.replaceAll("%","\\\\%");
+		if (StringUtils.isNotBlank(value)){
+			return value.replaceAll("%","\\\\%");
+		}else {
+			return null;
+		}
 	}
 }