根据表自动生成代码java, generatorConfig.xml配置文件

package org.mybatis.generator.plugins.page; import java.util.List; import org.mybatis.generator.api.CommentGenerator; import org.mybatis.generator.api.IntrospectedTable; import org.mybatis.generator.api.PluginAdapter; import org.mybatis.generator.api.dom.java.Field; import org.mybatis.generator.api.dom.java.JavaVisibility; import org.mybatis.generator.api.dom.java.Method; import org.mybatis.generator.api.dom.java.Parameter; import org.mybatis.generator.api.dom.java.PrimitiveTypeWrapper; import org.mybatis.generator.api.dom.java.TopLevelClass; import org.mybatis.generator.api.dom.xml.Attribute; import org.mybatis.generator.api.dom.xml.TextElement; import org.mybatis.generator.api.dom.xml.XmlElement; /** * <P>File name : PaginationPlugin.java </P> * <P>Author : fly </P> * <P>Date : 2013-7-2 上午11:50:45 </P> */ public class PaginationPlugin extends PluginAdapter { @Override public boolean modelExampleClassGenerated(TopLevelClass topLevelClass, IntrospectedTable introspectedTable) { // add field, getter, setter for limit clause addPageNo(topLevelClass, introspectedTable, "pageNo"); addStartRow(topLevelClass, introspectedTable, "startRow"); addPageSize(topLevelClass, introspectedTable, "pageSize"); return super.modelExampleClassGenerated(topLevelClass, introspectedTable); } @Override public boolean sqlMapSelectByExampleWithoutBLOBsElementGenerated( XmlElement element, IntrospectedTable introspectedTable) { // XmlElement isParameterPresenteElemen = (XmlElement) element // .getElements().get(element.getElements().size() - 1); XmlElement isNotNullElement = new XmlElement("if"); //$NON-NLS-1$ isNotNullElement.addAttribute(new Attribute("test", "startRow != null")); //$NON-NLS-1$ //$NON-NLS-2$ // isNotNullElement.addAttribute(new Attribute("compareValue", "0")); //$NON-NLS-1$ //$NON-NLS-2$ isNotNullElement.addElement(new TextElement( "limit #{startRow} , #{pageSize}")); // isParameterPresenteElemen.addElement(isNotNullElement); element.addElement(isNotNullElement); return super.sqlMapUpdateByExampleWithoutBLOBsElementGenerated(element, introspectedTable); } private void addStartRow(TopLevelClass topLevelClass, IntrospectedTable introspectedTable, String name) { CommentGenerator commentGenerator = context.getCommentGenerator(); Field field = new Field(); field.setVisibility(JavaVisibility.PROTECTED); // field.setType(FullyQualifiedJavaType.getIntInstance()); field.setType(PrimitiveTypeWrapper.getIntegerInstance()); field.setName(name); // field.setInitializationString("-1"); commentGenerator.addFieldComment(field, introspectedTable); topLevelClass.addField(field); char c = name.charAt(0); String camel = Character.toUpperCase(c) + name.substring(1); Method method = new Method(); method.setVisibility(JavaVisibility.PUBLIC); method.setName("set" + camel); method.addParameter(new Parameter(PrimitiveTypeWrapper.getIntegerInstance(), name)); method.addBodyLine("this." + name + "=" + name + ";"); commentGenerator.addGeneralMethodComment(method, introspectedTable); topLevelClass.addMethod(method); method = new Method(); method.setVisibility(JavaVisibility.PUBLIC); method.setReturnType(PrimitiveTypeWrapper.getIntegerInstance()); method.setName("get" + camel); method.addBodyLine("return " + name + ";"); commentGenerator.addGeneralMethodComment(method, introspectedTable); topLevelClass.addMethod(method); } private void addPageSize(TopLevelClass topLevelClass, IntrospectedTable introspectedTable, String name) { CommentGenerator commentGenerator = context.getCommentGenerator(); Field field = new Field(); field.setVisibility(JavaVisibility.PROTECTED); // field.setType(FullyQualifiedJavaType.getIntInstance()); field.setType(PrimitiveTypeWrapper.getIntegerInstance()); field.setName(name); field.setInitializationString("10"); commentGenerator.addFieldComment(field, introspectedTable); topLevelClass.addField(field); char c = name.charAt(0); String camel = Character.toUpperCase(c) + name.substring(1); Method method = new Method(); method.setVisibility(JavaVisibility.PUBLIC); method.setName("set" + camel); method.addParameter(new Parameter(PrimitiveTypeWrapper.getIntegerInstance(), name)); method.addBodyLine("this." + name + "=" + name + ";"); //this.startRow = (pageNo-1)*this.pageSize; method.addBodyLine("this.startRow = (pageNo-1)*this." + name + ";"); commentGenerator.addGeneralMethodComment(method, introspectedTable); topLevelClass.addMethod(method); method = new Method(); method.setVisibility(JavaVisibility.PUBLIC); method.setReturnType(PrimitiveTypeWrapper.getIntegerInstance()); method.setName("get" + camel); method.addBodyLine("return " + name + ";"); commentGenerator.addGeneralMethodComment(method, introspectedTable); topLevelClass.addMethod(method); } private void addPageNo(TopLevelClass topLevelClass, IntrospectedTable introspectedTable, String name) { CommentGenerator commentGenerator = context.getCommentGenerator(); Field field = new Field(); field.setVisibility(JavaVisibility.PROTECTED); // field.setType(FullyQualifiedJavaType.getIntInstance()); field.setType(PrimitiveTypeWrapper.getIntegerInstance()); field.setName(name); field.setInitializationString("1"); commentGenerator.addFieldComment(field, introspectedTable); topLevelClass.addField(field); char c = name.charAt(0); String camel = Character.toUpperCase(c) + name.substring(1); Method method = new Method(); method.setVisibility(JavaVisibility.PUBLIC); method.setName("set" + camel); method.addParameter(new Parameter(PrimitiveTypeWrapper.getIntegerInstance(), name)); method.addBodyLine("this." + name + "=" + name + ";"); method.addBodyLine("this.startRow = (" + name + "-1)*this.pageSize;"); commentGenerator.addGeneralMethodComment(method, introspectedTable); topLevelClass.addMethod(method); method = new Method(); method.setVisibility(JavaVisibility.PUBLIC); method.setReturnType(PrimitiveTypeWrapper.getIntegerInstance()); method.setName("get" + camel); method.addBodyLine("return " + name + ";"); commentGenerator.addGeneralMethodComment(method, introspectedTable); topLevelClass.addMethod(method); } /** * This plugin is always valid - no properties are required */ public boolean validate(List<String> warnings) { return true; } }