CommentGenerator.java
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package com.macro.mall;
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.FullyQualifiedJavaType;
import org.mybatis.generator.internal.DefaultCommentGenerator;
import org.mybatis.generator.internal.util.StringUtility;
import java.util.Properties;
/**
* 自定义注释生成器
* Created by macro on 2018/4/26.
*/
public class CommentGenerator extends DefaultCommentGenerator {
private boolean addRemarkComments = false;
private static final String EXAMPLE_SUFFIX="Example";
private static final String MAPPER_SUFFIX="Mapper";
private static final String API_MODEL_PROPERTY_FULL_CLASS_NAME="io.swagger.annotations.ApiModelProperty";
/**
* 设置用户配置的参数
*/
@Override
public void addConfigurationProperties(Properties properties) {
super.addConfigurationProperties(properties);
this.addRemarkComments = StringUtility.isTrue(properties.getProperty("addRemarkComments"));
}
/**
* 给字段添加注释
*/
@Override
public void addFieldComment(Field field, IntrospectedTable introspectedTable,
IntrospectedColumn introspectedColumn) {
String remarks = introspectedColumn.getRemarks();
//根据参数和备注信息判断是否添加备注信息
if(addRemarkComments&&StringUtility.stringHasValue(remarks)){
// addFieldJavaDoc(field, remarks);
//数据库中特殊字符需要转义
if(remarks.contains("\"")){
remarks = remarks.replace("\"","'");
}
//给model的字段添加swagger注解
field.addJavaDocLine("@ApiModelProperty(value = \""+remarks+"\")");
}
}
/**
* 给model的字段添加注释
*/
private void addFieldJavaDoc(Field field, String remarks) {
//文档注释开始
field.addJavaDocLine("/**");
//获取数据库字段的备注信息
String[] remarkLines = remarks.split(System.getProperty("line.separator"));
for(String remarkLine:remarkLines){
field.addJavaDocLine(" * "+remarkLine);
}
addJavadocTag(field, false);
field.addJavaDocLine(" */");
}
@Override
public void addJavaFileComment(CompilationUnit compilationUnit) {
super.addJavaFileComment(compilationUnit);
//只在model中添加swagger注解类的导入
if(!compilationUnit.getType().getFullyQualifiedName().contains(MAPPER_SUFFIX)&&!compilationUnit.getType().getFullyQualifiedName().contains(EXAMPLE_SUFFIX)){
compilationUnit.addImportedType(new FullyQualifiedJavaType(API_MODEL_PROPERTY_FULL_CLASS_NAME));
}
}
}