美化xml输出格式，实现和官方一致80换行，便于阅读

src/main/java/com/itfsw/mybatis/generator/plugins/BatchInsertPlugin.java

@@ -23,10 +23,7 @@ import com.itfsw.mybatis.generator.plugins.utils.XmlElementGeneratorTools;
 import org.mybatis.generator.api.IntrospectedColumn;
 import org.mybatis.generator.api.IntrospectedTable;
 import org.mybatis.generator.api.dom.java.*;
-import org.mybatis.generator.api.dom.xml.Attribute;
-import org.mybatis.generator.api.dom.xml.Document;
-import org.mybatis.generator.api.dom.xml.TextElement;
-import org.mybatis.generator.api.dom.xml.XmlElement;
+import org.mybatis.generator.api.dom.xml.*;
 import org.mybatis.generator.codegen.mybatis3.ListUtilities;
 import org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities;
 
@@ -53,7 +50,7 @@ public class BatchInsertPlugin extends BasePlugin {
         // 插件使用前提是数据库为MySQL或者SQLserver，因为返回主键使用了JDBC的getGenereatedKeys方法获取主键
         if ("com.mysql.jdbc.Driver".equalsIgnoreCase(this.getContext().getJdbcConnectionConfiguration().getDriverClass()) == false
                 && "com.microsoft.jdbc.sqlserver.SQLServer".equalsIgnoreCase(this.getContext().getJdbcConnectionConfiguration().getDriverClass()) == false
-                && "com.microsoft.sqlserver.jdbc.SQLServerDriver".equalsIgnoreCase(this.getContext().getJdbcConnectionConfiguration().getDriverClass()) == false){
+                && "com.microsoft.sqlserver.jdbc.SQLServerDriver".equalsIgnoreCase(this.getContext().getJdbcConnectionConfiguration().getDriverClass()) == false) {
             logger.error("itfsw:插件" + this.getClass().getTypeName() + "插件使用前提是数据库为MySQL或者SQLserver，因为返回主键使用了JDBC的getGenereatedKeys方法获取主键！");
             return false;
         }
@@ -69,11 +66,9 @@ public class BatchInsertPlugin extends BasePlugin {
     }
 
 
-
     /**
      * Java Client Methods 生成
      * 具体执行顺序 http://www.mybatis.org/generator/reference/pluggingIn.html
-     *
      * @param interfaze
      * @param topLevelClass
      * @param introspectedTable
@@ -97,7 +92,7 @@ public class BatchInsertPlugin extends BasePlugin {
         logger.debug("itfsw(批量插入插件):" + interfaze.getType().getShortName() + "增加batchInsert方法。");
 
         // 2. batchInsertSelective
-        FullyQualifiedJavaType selectiveType = new FullyQualifiedJavaType(introspectedTable.getRules().calculateAllFieldsClass().getShortName()+"."+ModelColumnPlugin.ENUM_NAME);
+        FullyQualifiedJavaType selectiveType = new FullyQualifiedJavaType(introspectedTable.getRules().calculateAllFieldsClass().getShortName() + "." + ModelColumnPlugin.ENUM_NAME);
         Method mBatchInsertSelective = JavaElementGeneratorTools.generateMethod(
                 METHOD_BATCH_INSERT_SELECTIVE,
                 JavaVisibility.DEFAULT,
@@ -116,7 +111,6 @@ public class BatchInsertPlugin extends BasePlugin {
     /**
      * SQL Map Methods 生成
      * 具体执行顺序 http://www.mybatis.org/generator/reference/pluggingIn.html
-     *
      * @param document
      * @param introspectedTable
      * @return
@@ -135,7 +129,9 @@ public class BatchInsertPlugin extends BasePlugin {
         XmlElementGeneratorTools.useGeneratedKeys(batchInsertEle, introspectedTable);
 
         batchInsertEle.addElement(new TextElement("insert into " + introspectedTable.getFullyQualifiedTableNameAtRuntime()));
-        batchInsertEle.addElement(XmlElementGeneratorTools.generateKeys(ListUtilities.removeIdentityAndGeneratedAlwaysColumns(introspectedTable.getAllColumns())));
+        for (Element element : XmlElementGeneratorTools.generateKeys(ListUtilities.removeIdentityAndGeneratedAlwaysColumns(introspectedTable.getAllColumns()))) {
+            batchInsertEle.addElement(element);
+        }
 
         // 添加foreach节点
         XmlElement foreachElement = new XmlElement("foreach");
@@ -143,8 +139,9 @@ public class BatchInsertPlugin extends BasePlugin {
         foreachElement.addAttribute(new Attribute("item", "item"));
         foreachElement.addAttribute(new Attribute("separator", ","));
 
-        foreachElement.addElement(XmlElementGeneratorTools.generateValues(ListUtilities.removeIdentityAndGeneratedAlwaysColumns(introspectedTable.getAllColumns()), "item."));
-
+        for (Element element : XmlElementGeneratorTools.generateValues(ListUtilities.removeIdentityAndGeneratedAlwaysColumns(introspectedTable.getAllColumns()), "item.")) {
+            foreachElement.addElement(element);
+        }
 
         // values 构建
         batchInsertEle.addElement(new TextElement("values"));
@@ -165,7 +162,7 @@ public class BatchInsertPlugin extends BasePlugin {
         // 使用JDBC的getGenereatedKeys方法获取主键并赋值到keyProperty设置的领域模型属性中。所以只支持MYSQL和SQLServer
         XmlElementGeneratorTools.useGeneratedKeys(element, introspectedTable);
 
-        element.addElement(new TextElement("insert into "+introspectedTable.getFullyQualifiedTableNameAtRuntime()+" ("));
+        element.addElement(new TextElement("insert into " + introspectedTable.getFullyQualifiedTableNameAtRuntime() + " ("));
 
         XmlElement foreachInsertColumns = new XmlElement("foreach");
         foreachInsertColumns.addAttribute(new Attribute("collection", "selective"));
@@ -200,7 +197,7 @@ public class BatchInsertPlugin extends BasePlugin {
         for (int i = 0; i < columns1.size(); i++) {
             IntrospectedColumn introspectedColumn = columns.get(i);
             XmlElement check = new XmlElement("if");
-            check.addAttribute(new Attribute("test", "'"+introspectedColumn.getActualColumnName()+"' == column.value"));
+            check.addAttribute(new Attribute("test", "'" + introspectedColumn.getActualColumnName() + "' == column.value"));
             check.addElement(new TextElement(MyBatis3FormattingUtilities.getParameterClause(introspectedColumn, "item.")));
 
             foreachInsertColumnsCheck.addElement(check);

src/main/java/com/itfsw/mybatis/generator/plugins/utils/XmlElementGeneratorTools.java

@@ -18,6 +18,7 @@ package com.itfsw.mybatis.generator.plugins.utils;
 
 import org.mybatis.generator.api.IntrospectedColumn;
 import org.mybatis.generator.api.IntrospectedTable;
+import org.mybatis.generator.api.dom.OutputUtilities;
 import org.mybatis.generator.api.dom.xml.Attribute;
 import org.mybatis.generator.api.dom.xml.Element;
 import org.mybatis.generator.api.dom.xml.TextElement;
@@ -103,22 +104,20 @@ public class XmlElementGeneratorTools {
 
     /**
      * 使用JDBC的getGenereatedKeys方法获取主键并赋值到keyProperty设置的领域模型属性中。所以只支持MYSQL和SQLServer
-     *
      * @param element
      * @param introspectedTable
      */
-    public static void useGeneratedKeys(XmlElement element, IntrospectedTable introspectedTable){
+    public static void useGeneratedKeys(XmlElement element, IntrospectedTable introspectedTable) {
         useGeneratedKeys(element, introspectedTable, null);
     }
 
     /**
      * 使用JDBC的getGenereatedKeys方法获取主键并赋值到keyProperty设置的领域模型属性中。所以只支持MYSQL和SQLServer
-     *
      * @param element
      * @param introspectedTable
      * @param prefix
      */
-    public static void useGeneratedKeys(XmlElement element, IntrospectedTable introspectedTable, String prefix){
+    public static void useGeneratedKeys(XmlElement element, IntrospectedTable introspectedTable, String prefix) {
         GeneratedKey gk = introspectedTable.getGeneratedKey();
         if (gk != null) {
             IntrospectedColumn introspectedColumn = introspectedTable.getColumn(gk.getColumn());
@@ -138,7 +137,7 @@ public class XmlElementGeneratorTools {
      * @param columns
      * @return
      */
-    public static Element generateKeys(List<IntrospectedColumn> columns) {
+    public static List<Element> generateKeys(List<IntrospectedColumn> columns) {
         return generateKeys(columns, true);
     }
 
@@ -148,7 +147,7 @@ public class XmlElementGeneratorTools {
      * @param bracket
      * @return
      */
-    public static Element generateKeys(List<IntrospectedColumn> columns, boolean bracket) {
+    public static List<Element> generateKeys(List<IntrospectedColumn> columns, boolean bracket) {
         return generateCommColumns(columns, null, bracket, 1);
     }
 
@@ -187,7 +186,7 @@ public class XmlElementGeneratorTools {
      * @param columns
      * @return
      */
-    public static Element generateValues(List<IntrospectedColumn> columns) {
+    public static List<Element> generateValues(List<IntrospectedColumn> columns) {
         return generateValues(columns, null);
     }
 
@@ -197,7 +196,7 @@ public class XmlElementGeneratorTools {
      * @param prefix
      * @return
      */
-    public static Element generateValues(List<IntrospectedColumn> columns, String prefix) {
+    public static List<Element> generateValues(List<IntrospectedColumn> columns, String prefix) {
         return generateValues(columns, prefix, true);
     }
 
@@ -208,7 +207,7 @@ public class XmlElementGeneratorTools {
      * @param bracket
      * @return
      */
-    public static Element generateValues(List<IntrospectedColumn> columns, String prefix, boolean bracket) {
+    public static List<Element> generateValues(List<IntrospectedColumn> columns, String prefix, boolean bracket) {
         return generateCommColumns(columns, prefix, bracket, 2);
     }
 
@@ -247,7 +246,7 @@ public class XmlElementGeneratorTools {
      * @param columns
      * @return
      */
-    public static Element generateSets(List<IntrospectedColumn> columns) {
+    public static List<Element> generateSets(List<IntrospectedColumn> columns) {
         return generateSets(columns, null, false);
     }
 
@@ -257,7 +256,7 @@ public class XmlElementGeneratorTools {
      * @param prefix
      * @return
      */
-    public static Element generateSets(List<IntrospectedColumn> columns, String prefix) {
+    public static List<Element> generateSets(List<IntrospectedColumn> columns, String prefix) {
         return generateSets(columns, prefix, false);
     }
 
@@ -268,7 +267,7 @@ public class XmlElementGeneratorTools {
      * @param bracket
      * @return
      */
-    public static Element generateSets(List<IntrospectedColumn> columns, String prefix, boolean bracket) {
+    public static List<Element> generateSets(List<IntrospectedColumn> columns, String prefix, boolean bracket) {
         return generateCommColumns(columns, prefix, bracket, 3);
     }
 
@@ -310,8 +309,9 @@ public class XmlElementGeneratorTools {
      * @param type    1:key,2:value,3:set
      * @return
      */
-    private static Element generateCommColumns(List<IntrospectedColumn> columns, String prefix, boolean bracket, int type) {
-        StringBuffer sb = new StringBuffer(bracket ? "(" : "");
+    private static List<Element> generateCommColumns(List<IntrospectedColumn> columns, String prefix, boolean bracket, int type) {
+        List<Element> list = new ArrayList<>();
+        StringBuilder sb = new StringBuilder(bracket ? "(" : "");
         Iterator<IntrospectedColumn> columnIterator = columns.iterator();
         while (columnIterator.hasNext()) {
             IntrospectedColumn introspectedColumn = columnIterator.next();
@@ -333,9 +333,24 @@ public class XmlElementGeneratorTools {
             if (columnIterator.hasNext()) {
                 sb.append(", ");
             }
+
+            // 保持和官方一致 80 进行换行
+            if (type == 1 || type == 2) {
+                if (sb.length() > 80) {
+                    list.add(new TextElement(sb.toString()));
+                    sb.setLength(0);
+                    OutputUtilities.xmlIndent(sb, 1);
+                }
+            } else {
+                list.add(new TextElement(sb.toString()));
+                sb.setLength(0);
+            }
+        }
+        if (sb.length() > 0 || bracket){
+            list.add(new TextElement(sb.append(bracket ? ")" : "").toString()));
         }
 
-        return new TextElement(sb.append(bracket ? ")" : "").toString());
+        return list;
     }
 
     /**
@@ -380,12 +395,11 @@ public class XmlElementGeneratorTools {
 
     /**
      * 查找指定xml节点下指定节点名称的元素
-     *
      * @param xmlElement
      * @param name
      * @return
      */
-    public static List<XmlElement> findXmlElements(XmlElement xmlElement, String name){
+    public static List<XmlElement> findXmlElements(XmlElement xmlElement, String name) {
         List<XmlElement> list = new ArrayList<>();
         List<Element> elements = xmlElement.getElements();
         for (Element ele : elements) {