mybatis generator 生成中文注释

mybatis generator默认生成 的注释太奇葩了，完全不能拿到生产去用，不过幸亏提供了接口可以自己扩展。长话短说，要生成如下的domain，

package com.demo.domain;

/** test_mybatis   */
public class TestMybatis {
    /** 主键 */
    private Integer id;

    /** 字段说明 */
    private String name;

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.demo.TestMybatisMapper">
  <resultMap id="BaseResultMap" type="com.demo.domain.TestMybatis">
    <id column="id" jdbcType="INTEGER" property="id" />
    <result column="name" jdbcType="VARCHAR" property="name" />
  </resultMap>
  <sql id="Base_Column_List">
    id, name
  </sql>
  <select id="selectByPrimaryKey" parameterType="java.lang.Integer" resultMap="BaseResultMap">
    select
    <include refid="Base_Column_List" />
    from test_mybatis
    where id = #{id,jdbcType=INTEGER}
  </select>
  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer">
    delete from test_mybatis
    where id = #{id,jdbcType=INTEGER}
  </delete>
  <insert id="insert" parameterType="com.demo.domain.TestMybatis">
    <selectKey keyProperty="id" order="AFTER" resultType="java.lang.Integer">
      SELECT LAST_INSERT_ID()
    </selectKey>
    insert into test_mybatis (name)
    values (#{name,jdbcType=VARCHAR})
  </insert>
  <insert id="insertSelective" parameterType="com.demo.domain.TestMybatis">
    <selectKey keyProperty="id" order="AFTER" resultType="java.lang.Integer">
      SELECT LAST_INSERT_ID()
    </selectKey>
    insert into test_mybatis
    <trim prefix="(" suffix=")" suffixOverrides=",">
      <if test="name != null">
        name,
      </if>
    </trim>
    <trim prefix="values (" suffix=")" suffixOverrides=",">
      <if test="name != null">
        #{name,jdbcType=VARCHAR},
      </if>
    </trim>
  </insert>
  <update id="updateByPrimaryKeySelective" parameterType="com.demo.domain.TestMybatis">
    update test_mybatis
    <set>
      <if test="name != null">
        name = #{name,jdbcType=VARCHAR},
      </if>
    </set>
    where id = #{id,jdbcType=INTEGER}
  </update>
  <update id="updateByPrimaryKey" parameterType="com.demo.domain.TestMybatis">
    update test_mybatis
    set name = #{name,jdbcType=VARCHAR}
    where id = #{id,jdbcType=INTEGER}
  </update>
</mapper>

同时mapper.xml中也不要注释，可通过更改org.mybatis.generator.internal.DefaultCommentGenerator，并重新编译实现，如下：

/**
 *    Copyright 2006-2016 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.mybatis.generator.internal;

import static org.mybatis.generator.internal.util.StringUtility.isTrue;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

import org.mybatis.generator.api.CommentGenerator;
import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.IntrospectedTable;
import org.mybatis.generator.api.dom.java.CompilationUnit;
import org.mybatis.generator.api.dom.java.Field;
import org.mybatis.generator.api.dom.java.InnerClass;
import org.mybatis.generator.api.dom.java.InnerEnum;
import org.mybatis.generator.api.dom.java.JavaElement;
import org.mybatis.generator.api.dom.java.Method;
import org.mybatis.generator.api.dom.java.Parameter;
import org.mybatis.generator.api.dom.java.TopLevelClass;
import org.mybatis.generator.api.dom.xml.TextElement;
import org.mybatis.generator.api.dom.xml.XmlElement;
import org.mybatis.generator.config.MergeConstants;
import org.mybatis.generator.config.PropertyRegistry;
import org.mybatis.generator.internal.util.StringUtility;

/**
 * The Class DefaultCommentGenerator.
 *
 * @author Jeff Butler
 */
public class DefaultCommentGenerator implements CommentGenerator {

    /** The properties. */
    private Properties properties;

    /** The suppress date. */
    private boolean suppressDate;

    /** The suppress all comments. */
    private boolean suppressAllComments;

    /** The addition of table remark‘s comments.
     * If suppressAllComments is true, this option is ignored*/
    private boolean addRemarkComments;

    private SimpleDateFormat dateFormat;

    /**
     * Instantiates a new default comment generator.
     */
    public DefaultCommentGenerator() {
        super();
        properties = new Properties();
        suppressDate = false;
        suppressAllComments = false;
        addRemarkComments = false;
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addJavaFileComment(org.mybatis.generator.api.dom.java.CompilationUnit)
     */
    public void addJavaFileComment(CompilationUnit compilationUnit) {
        // add no file level comments by default
    }

    /**
     * Adds a suitable comment to warn users that the element was generated, and when it was generated.
     *
     * @param xmlElement
     *            the xml element
     */
    public void addComment(XmlElement xmlElement) {
        if (suppressAllComments) {
            return;
        }

//        xmlElement.addElement(new TextElement("<!--")); //$NON-NLS-1$
//
//        StringBuilder sb = new StringBuilder();
//        sb.append("  WARNING - "); //$NON-NLS-1$
//        sb.append(MergeConstants.NEW_ELEMENT_TAG);
//        xmlElement.addElement(new TextElement(sb.toString()));
//        xmlElement
//                .addElement(new TextElement(
//                        "  This element is automatically generated by MyBatis Generator, do not modify.")); //$NON-NLS-1$
//
//        String s = getDateString();
//        if (s != null) {
//            sb.setLength(0);
//            sb.append("  This element was generated on "); //$NON-NLS-1$
//            sb.append(s);
//            sb.append(‘.‘);
//            xmlElement.addElement(new TextElement(sb.toString()));
//        }
//
//        xmlElement.addElement(new TextElement("-->")); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addRootComment(org.mybatis.generator.api.dom.xml.XmlElement)
     */
    public void addRootComment(XmlElement rootElement) {
        // add no document level comments by default
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addConfigurationProperties(java.util.Properties)
     */
    public void addConfigurationProperties(Properties properties) {
        this.properties.putAll(properties);

        suppressDate = isTrue(properties
                .getProperty(PropertyRegistry.COMMENT_GENERATOR_SUPPRESS_DATE));

        suppressAllComments = isTrue(properties
                .getProperty(PropertyRegistry.COMMENT_GENERATOR_SUPPRESS_ALL_COMMENTS));

        addRemarkComments = isTrue(properties
                .getProperty(PropertyRegistry.COMMENT_GENERATOR_ADD_REMARK_COMMENTS));

        String dateFormatString = properties.getProperty(PropertyRegistry.COMMENT_GENERATOR_DATE_FORMAT);
        if (StringUtility.stringHasValue(dateFormatString)) {
            dateFormat = new SimpleDateFormat(dateFormatString);
        }
    }

    /**
     * This method adds the custom javadoc tag for. You may do nothing if you do not wish to include the Javadoc tag -
     * however, if you do not include the Javadoc tag then the Java merge capability of the eclipse plugin will break.
     *
     * @param javaElement
     *            the java element
     * @param markAsDoNotDelete
     *            the mark as do not delete
     */
    protected void addJavadocTag(JavaElement javaElement,
            boolean markAsDoNotDelete) {
        javaElement.addJavaDocLine(" *"); //$NON-NLS-1$
        StringBuilder sb = new StringBuilder();
        sb.append(" * "); //$NON-NLS-1$
        sb.append(MergeConstants.NEW_ELEMENT_TAG);
        if (markAsDoNotDelete) {
            sb.append(" do_not_delete_during_merge"); //$NON-NLS-1$
        }
        String s = getDateString();
        if (s != null) {
            sb.append(‘ ‘);
            sb.append(s);
        }
        javaElement.addJavaDocLine(sb.toString());
    }

    /**
     * This method returns a formated date string to include in the Javadoc tag
     * and XML comments. You may return null if you do not want the date in
     * these documentation elements.
     *
     * @return a string representing the current timestamp, or null
     */
    protected String getDateString() {
        if (suppressDate) {
            return null;
        } else if (dateFormat != null) {
            return dateFormat.format(new Date());
        } else {
            return new Date().toString();
        }
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addClassComment(org.mybatis.generator.api.dom.java.InnerClass, org.mybatis.generator.api.IntrospectedTable)
     */
    public void addClassComment(InnerClass innerClass,
            IntrospectedTable introspectedTable) {
        if (suppressAllComments) {
            return;
        }
        innerClass.addJavaDocLine("/**" + introspectedTable.getFullyQualifiedTable() + "  " + introspectedTable.getRemarks() + "*/"); //$NON-NLS-1$
//        StringBuilder sb = new StringBuilder();
//
//        innerClass.addJavaDocLine("/**"); //$NON-NLS-1$
//        innerClass
//                .addJavaDocLine(" * This class was generated by MyBatis Generator."); //$NON-NLS-1$
//
//        sb.append(" * This class corresponds to the database table "); //$NON-NLS-1$
//        sb.append(introspectedTable.getFullyQualifiedTable());
//        innerClass.addJavaDocLine(sb.toString());
//
//        addJavadocTag(innerClass, false);
//
//        innerClass.addJavaDocLine(" */"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addTopLevelClassComment(org.mybatis.generator.api.dom.java.TopLevelClass, org.mybatis.generator.api.IntrospectedTable)
     */
    @Override
    public void addModelClassComment(TopLevelClass topLevelClass,
            IntrospectedTable introspectedTable) {
        if (suppressAllComments  || !addRemarkComments) {
            return;
        }
        topLevelClass.addJavaDocLine("/** " + introspectedTable.getFullyQualifiedTable() + "  " + introspectedTable.getRemarks() + " */"); //$NON-NLS-1$
//        StringBuilder sb = new StringBuilder();
//
//        topLevelClass.addJavaDocLine("/**"); //$NON-NLS-1$
//
//        String remarks = introspectedTable.getRemarks();
//        if (addRemarkComments && StringUtility.stringHasValue(remarks)) {
//            topLevelClass.addJavaDocLine(" * Database Table Remarks:");
//            String[] remarkLines = remarks.split(System.getProperty("line.separator"));  //$NON-NLS-1$
//            for (String remarkLine : remarkLines) {
//                topLevelClass.addJavaDocLine(" *   " + remarkLine);  //$NON-NLS-1$
//            }
//        }
//        topLevelClass.addJavaDocLine(" *"); //$NON-NLS-1$
//
//        topLevelClass
//                .addJavaDocLine(" * This class was generated by MyBatis Generator."); //$NON-NLS-1$
//
//        sb.append(" * This class corresponds to the database table "); //$NON-NLS-1$
//        sb.append(introspectedTable.getFullyQualifiedTable());
//        topLevelClass.addJavaDocLine(sb.toString());
//
//        addJavadocTag(topLevelClass, true);
//
//        topLevelClass.addJavaDocLine(" */"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addEnumComment(org.mybatis.generator.api.dom.java.InnerEnum, org.mybatis.generator.api.IntrospectedTable)
     */
    public void addEnumComment(InnerEnum innerEnum,
            IntrospectedTable introspectedTable) {
        if (suppressAllComments) {
            return;
        }

        StringBuilder sb = new StringBuilder();

        innerEnum.addJavaDocLine("/**"); //$NON-NLS-1$
        innerEnum
                .addJavaDocLine(" * This enum was generated by MyBatis Generator."); //$NON-NLS-1$

        sb.append(" * This enum corresponds to the database table "); //$NON-NLS-1$
        sb.append(introspectedTable.getFullyQualifiedTable());
        innerEnum.addJavaDocLine(sb.toString());

        addJavadocTag(innerEnum, false);

        innerEnum.addJavaDocLine(" */"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addFieldComment(org.mybatis.generator.api.dom.java.Field, org.mybatis.generator.api.IntrospectedTable, org.mybatis.generator.api.IntrospectedColumn)
     */
    public void addFieldComment(Field field,
            IntrospectedTable introspectedTable,
            IntrospectedColumn introspectedColumn) {
        if (suppressAllComments) {
            return;
        }
        field.addJavaDocLine("/** "+introspectedColumn.getRemarks()+" */");
//        field.addJavaDocLine("/**"); //$NON-NLS-1$
//
//        String remarks = introspectedColumn.getRemarks();
//        if (addRemarkComments && StringUtility.stringHasValue(remarks)) {
//            field.addJavaDocLine(" * Database Column Remarks:");
//            String[] remarkLines = remarks.split(System.getProperty("line.separator"));  //$NON-NLS-1$
//            for (String remarkLine : remarkLines) {
//                field.addJavaDocLine(" *   " + remarkLine);  //$NON-NLS-1$
//            }
//        }
//
//        field.addJavaDocLine(" *"); //$NON-NLS-1$
//        field
//                .addJavaDocLine(" * This field was generated by MyBatis Generator."); //$NON-NLS-1$
//
//        StringBuilder sb = new StringBuilder();
//        sb.append(" * This field corresponds to the database column "); //$NON-NLS-1$
//        sb.append(introspectedTable.getFullyQualifiedTable());
//        sb.append(‘.‘);
//        sb.append(introspectedColumn.getActualColumnName());
//        field.addJavaDocLine(sb.toString());
//
//        addJavadocTag(field, false);
//
//        field.addJavaDocLine(" */"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addFieldComment(org.mybatis.generator.api.dom.java.Field, org.mybatis.generator.api.IntrospectedTable)
     */
    public void addFieldComment(Field field, IntrospectedTable introspectedTable) {
        if (suppressAllComments) {
            return;
        }

        StringBuilder sb = new StringBuilder();

        field.addJavaDocLine("/**"); //$NON-NLS-1$
        field
                .addJavaDocLine(" * This field was generated by MyBatis Generator."); //$NON-NLS-1$

        sb.append(" * This field corresponds to the database table "); //$NON-NLS-1$
        sb.append(introspectedTable.getFullyQualifiedTable());
        field.addJavaDocLine(sb.toString());

        addJavadocTag(field, false);

        field.addJavaDocLine(" */"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addGeneralMethodComment(org.mybatis.generator.api.dom.java.Method, org.mybatis.generator.api.IntrospectedTable)
     */
    public void addGeneralMethodComment(Method method,
            IntrospectedTable introspectedTable) {
        if (suppressAllComments) {
            return;
        }

        StringBuilder sb = new StringBuilder();

        method.addJavaDocLine("/**"); //$NON-NLS-1$
        method
                .addJavaDocLine(" * This method was generated by MyBatis Generator."); //$NON-NLS-1$

        sb.append(" * This method corresponds to the database table "); //$NON-NLS-1$
        sb.append(introspectedTable.getFullyQualifiedTable());
        method.addJavaDocLine(sb.toString());

        addJavadocTag(method, false);

        method.addJavaDocLine(" */"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addGetterComment(org.mybatis.generator.api.dom.java.Method, org.mybatis.generator.api.IntrospectedTable, org.mybatis.generator.api.IntrospectedColumn)
     */
    public void addGetterComment(Method method,
            IntrospectedTable introspectedTable,
            IntrospectedColumn introspectedColumn) {
        if (suppressAllComments) {
            return;
        }

//        StringBuilder sb = new StringBuilder();
//
//        method.addJavaDocLine("/**"); //$NON-NLS-1$
//        method
//                .addJavaDocLine(" * This method was generated by MyBatis Generator."); //$NON-NLS-1$
//
//        sb.append(" * This method returns the value of the database column "); //$NON-NLS-1$
//        sb.append(introspectedTable.getFullyQualifiedTable());
//        sb.append(‘.‘);
//        sb.append(introspectedColumn.getActualColumnName());
//        method.addJavaDocLine(sb.toString());
//
//        method.addJavaDocLine(" *"); //$NON-NLS-1$
//
//        sb.setLength(0);
//        sb.append(" * @return the value of "); //$NON-NLS-1$
//        sb.append(introspectedTable.getFullyQualifiedTable());
//        sb.append(‘.‘);
//        sb.append(introspectedColumn.getActualColumnName());
//        method.addJavaDocLine(sb.toString());
//
//        addJavadocTag(method, false);
//
//        method.addJavaDocLine(" */"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addSetterComment(org.mybatis.generator.api.dom.java.Method, org.mybatis.generator.api.IntrospectedTable, org.mybatis.generator.api.IntrospectedColumn)
     */
    public void addSetterComment(Method method,
            IntrospectedTable introspectedTable,
            IntrospectedColumn introspectedColumn) {
        if (suppressAllComments) {
            return;
        }

//        StringBuilder sb = new StringBuilder();
//
//        method.addJavaDocLine("/**"); //$NON-NLS-1$
//        method
//                .addJavaDocLine(" * This method was generated by MyBatis Generator."); //$NON-NLS-1$
//
//        sb.append(" * This method sets the value of the database column "); //$NON-NLS-1$
//        sb.append(introspectedTable.getFullyQualifiedTable());
//        sb.append(‘.‘);
//        sb.append(introspectedColumn.getActualColumnName());
//        method.addJavaDocLine(sb.toString());
//
//        method.addJavaDocLine(" *"); //$NON-NLS-1$
//
//        Parameter parm = method.getParameters().get(0);
//        sb.setLength(0);
//        sb.append(" * @param "); //$NON-NLS-1$
//        sb.append(parm.getName());
//        sb.append(" the value for "); //$NON-NLS-1$
//        sb.append(introspectedTable.getFullyQualifiedTable());
//        sb.append(‘.‘);
//        sb.append(introspectedColumn.getActualColumnName());
//        method.addJavaDocLine(sb.toString());
//
//        addJavadocTag(method, false);
//
//        method.addJavaDocLine(" */"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.mybatis.generator.api.CommentGenerator#addClassComment(org.mybatis.generator.api.dom.java.InnerClass, org.mybatis.generator.api.IntrospectedTable, boolean)
     */
    public void addClassComment(InnerClass innerClass,
            IntrospectedTable introspectedTable, boolean markAsDoNotDelete) {
        if (suppressAllComments) {
            return;
        }
        innerClass.addJavaDocLine("/**" + introspectedTable.getFullyQualifiedTable() + "  " + introspectedTable.getRemarks() + "*/"); //$NON-NLS-1$
//        StringBuilder sb = new StringBuilder();
//
//        innerClass.addJavaDocLine("/**"); //$NON-NLS-1$
//        innerClass
//                .addJavaDocLine(" * This class was generated by MyBatis Generator."); //$NON-NLS-1$
//
//        sb.append(" * This class corresponds to the database table "); //$NON-NLS-1$
//        sb.append(introspectedTable.getFullyQualifiedTable());
//        innerClass.addJavaDocLine(sb.toString());
//
//        addJavadocTag(innerClass, markAsDoNotDelete);
//
//        innerClass.addJavaDocLine(" */"); //$NON-NLS-1$
    }
}

重新使用maven编译，替换官方的即可。附上已经替换的版本http://pan.baidu.com/s/1hrYIrWw。

时间： 2024-10-13 10:31:36

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