IDEA智能处理

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/MybatisXMLConfigBuilder.java

@@ -436,10 +436,9 @@ public class MybatisXMLConfigBuilder extends BaseBuilder {
             throw new BuilderException("No environment specified.");
         } else if (id == null) {
             throw new BuilderException("Environment requires an id attribute.");
-        } else if (environment.equals(id)) {
-            return true;
+        } else{
+            return environment.equals(id);
         }
-        return false;
     }
 
 }

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/injector/SqlRunnerInjector.java

@@ -22,7 +22,6 @@ import org.apache.ibatis.logging.Log;
 import org.apache.ibatis.logging.LogFactory;
 import org.apache.ibatis.mapping.MappedStatement;
 import org.apache.ibatis.mapping.ResultMap;
-import org.apache.ibatis.mapping.ResultMapping;
 import org.apache.ibatis.mapping.SqlCommandType;
 import org.apache.ibatis.mapping.SqlSource;
 import org.apache.ibatis.scripting.LanguageDriver;

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/StringUtils.java

@@ -15,14 +15,18 @@
  */
 package com.baomidou.mybatisplus.core.toolkit;
 
-import com.baomidou.mybatisplus.core.toolkit.sql.StringEscape;
+import static java.util.stream.Collectors.joining;
 
 import java.nio.charset.StandardCharsets;
 import java.sql.Blob;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
 import java.util.regex.Pattern;
 
-import static java.util.stream.Collectors.joining;
+import com.baomidou.mybatisplus.core.toolkit.sql.StringEscape;
 
 /**
  * <p>
@@ -547,7 +551,7 @@ public class StringUtils {
      */
     public static String[] split(final String str, final String separatorChars) {
         List<String> strings = splitWorker(str, separatorChars, -1, false);
-        return strings.toArray(new String[strings.size()]);
+        return strings.toArray(new String[0]);
     }
 
     /**
@@ -788,8 +792,7 @@ public class StringUtils {
             if (lastOneIsNotUnderscore && (isUpperCaseAndPreviousIsLowerCase || previousIsWhitespace
                 || (betweenUpperCases && containsLowerCase && isUpperCaseAndPreviousIsUpperCase))) {
                 buf.append(StringPool.UNDERSCORE);
-            } else if ((Character.isDigit(previousChar) && Character.isLetter(c))
-                || (false && Character.isDigit(c) && Character.isLetter(previousChar))) {
+            } else if ((Character.isDigit(previousChar) && Character.isLetter(c))) {
                 buf.append('_');
             }
             if ((shouldReplace(c)) && (lastOneIsNotUnderscore)) {

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/MybatisMapWrapperFactory.java

@@ -39,7 +39,7 @@ public class MybatisMapWrapperFactory implements ObjectWrapperFactory {
 
     @Override
     public boolean hasWrapperFor(Object object) {
-        return object != null && object instanceof Map;
+        return object instanceof Map;
     }
 
     @Override

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/plugins/pagination/Page.java

@@ -165,7 +165,7 @@ public class Page<T> implements IPage<T> {
 
     public IPage<T> setAscs(List<String> ascs) {
         if (CollectionUtils.isNotEmpty(ascs)) {
-            this.ascs = ascs.toArray(new String[ascs.size()]);
+            this.ascs = ascs.toArray(new String[0]);
         }
         return this;
     }
@@ -191,7 +191,7 @@ public class Page<T> implements IPage<T> {
 
     public IPage<T> setDescs(List<String> descs) {
         if (CollectionUtils.isNotEmpty(descs)) {
-            this.descs = descs.toArray(new String[descs.size()]);
+            this.descs = descs.toArray(new String[0]);
         }
         return this;
     }

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/plugins/pagination/dialects/DB2Dialect.java

@@ -46,7 +46,7 @@ public class DB2Dialect implements IDialect {
     public String buildPaginationSql(String originalSql, long offset, long limit) {
         int startOfSelect = originalSql.toLowerCase().indexOf("select");
         StringBuilder pagingSelect = new StringBuilder(originalSql.length() + 100)
-            .append(originalSql.substring(0, startOfSelect)).append("select * from ( select ")
+            .append(originalSql, 0, startOfSelect).append("select * from ( select ")
             .append(getRowNumber(originalSql));
         if (hasDistinct(originalSql)) {
             pagingSelect.append(" row_.* from ( ").append(originalSql.substring(startOfSelect)).append(" ) as row_");

mybatis-plus-generator/src/main/java/com/baomidou/mybatisplus/generator/config/rules/FileType.java

@@ -30,5 +30,5 @@ public enum FileType {
     SERVICE,
     SERVICE_IMPL,
     CONTROLLER,
-    OTHER;
+    OTHER
 }