Merge branch 'dev_v1.0.0' of http://git.qmth.com.cn/paper-library/paper-library-service into dev_v1.0.0

paper-library-common/src/main/java/com/qmth/paper/library/common/util/ExcelUtil.java

@@ -164,6 +164,9 @@ public class ExcelUtil {
                             } else {
                                 if (Objects.nonNull(cell)) {
                                     Object obj = convert(cell);
+                                    if (Objects.nonNull(obj)){
+                                        obj = obj.toString().trim();
+                                    }
                                     if (extend) {
                                         if (j < fields.length - 1) {
                                             fields[j].setAccessible(true);