mybatis结合generator进行分页插件PluginAdapter开发

mybatis结合generator生成的代码没有分页的功能，可以尝试自己继承分页插件PluginAdapter，进行开发，实现自己的分页插件这样generator生产的代码 带分页功能了。

MyBatis MySQL自动生成带分页插件

继承PluginAdapter类，实现相关方法

/*** MyBatis MySQL自动生成带分页插件* * @author */
public class MysqlPaginationPlugin extends PluginAdapter {@Overridepublic boolean modelExampleClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) {addLimit(topLevelClass, introspectedTable, "limitStart");addLimit(topLevelClass, introspectedTable, "limitSize");return super.modelExampleClassGenerated(topLevelClass, introspectedTable);}/*** 为selectByExample添加limitStart和limitSize*/@Overridepublic boolean sqlMapSelectByExampleWithoutBLOBsElementGenerated(XmlElement element,IntrospectedTable introspectedTable) {XmlElement isNotNullElement = new XmlElement("if");isNotNullElement.addAttribute(new Attribute("test", "limitStart != null and limitSize >= 0"));isNotNullElement.addElement(new TextElement("limit #{limitStart} , #{limitSize}"));element.addElement(isNotNullElement);return super.sqlMapSelectByExampleWithoutBLOBsElementGenerated(element, introspectedTable);}/*** 为selectByExampleWithBLOBs添加limitStart和limitSize*/@Overridepublic boolean sqlMapSelectByExampleWithBLOBsElementGenerated(XmlElement element,IntrospectedTable introspectedTable) {XmlElement isNotNullElement = new XmlElement("if");isNotNullElement.addAttribute(new Attribute("test", "limitStart != null and limitSize >= 0"));isNotNullElement.addElement(new TextElement("limit #{limitStart} , #{limitSize}"));element.addElement(isNotNullElement);return super.sqlMapSelectByExampleWithBLOBsElementGenerated(element, introspectedTable);}private void addLimit(TopLevelClass topLevelClass, IntrospectedTable introspectedTable, String name) {CommentGenerator commentGenerator = context.getCommentGenerator();/*** 创建类成员变量 如protected Integer limitStart;*/Field field = new Field();field.setVisibility(JavaVisibility.PROTECTED);field.setType(PrimitiveTypeWrapper.getIntegerInstance());field.setName(name);commentGenerator.addFieldComment(field, introspectedTable);topLevelClass.addField(field);/*** 首字母大写*/char c = name.charAt(0);String camel = Character.toUpperCase(c) + name.substring(1);/*** 添加Setter方法*/Method method = new Method();method.setVisibility(JavaVisibility.PUBLIC);method.setName("set" + camel);method.addParameter(new Parameter(PrimitiveTypeWrapper.getIntegerInstance(), name));StringBuilder sb = new StringBuilder();sb.append("this.");sb.append(name);sb.append(" = ");sb.append(name);sb.append(";");/*** 如 this.limitStart = limitStart;*/method.addBodyLine(sb.toString());commentGenerator.addGeneralMethodComment(method, introspectedTable);topLevelClass.addMethod(method);/*** 添加Getter Method 直接调用AbstractJavaGenerator的getGetter方法*/Method getterMethod = AbstractJavaGenerator.getGetter(field);commentGenerator.addGeneralMethodComment(getterMethod, introspectedTable);topLevelClass.addMethod(getterMethod);}public boolean validate(List<String> warnings) {return true;}public static void generate() {String config = PaginationMysqlPlugin.class.getClassLoader().getResource("generatorConfig.xml").getFile();String[] arg = { "-configfile", config, "-overwrite" };ShellRunner.main(arg);}public static void main(String[] args) {generate();}}