mybatis逆向工程 自定义添加注解以及注释、mapper

package util; 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.XmlElement; import org.mybatis.generator.config.MergeConstants; import org.mybatis.generator.config.PropertyRegistry; import org.mybatis.generator.internal.DefaultCommentGenerator; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import java.util.Properties; import java.util.Set; import static org.mybatis.generator.internal.util.StringUtility.isTrue; /** * mybatis generator 自定义comment生成器. 字段注释内容 * 基于MBG 1.3.2. */ public class MyCommentGenerator extends DefaultCommentGenerator { private Properties properties; private Properties systemPro; private boolean suppressDate; private boolean suppressAllComments; private String currentDateStr; public MyCommentGenerator() { super(); properties = new Properties(); systemPro = System.getProperties(); suppressDate = false; suppressAllComments = false; currentDateStr = (new SimpleDateFormat("yyyy-MM-dd")).format(new Date()); } @Override public void addJavaFileComment(CompilationUnit compilationUnit) { // add no file level comments by default return; } /** * Adds a suitable comment to warn users that the element was generated, and * when it was generated. */ @Override public void addComment(XmlElement xmlElement) { return; } @Override public void addRootComment(XmlElement rootElement) { // add no document level comments by default return; } @Override 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)); } /** * 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 */ @Override protected void addJavadocTag(JavaElement javaElement, boolean markAsDoNotDelete) { javaElement.addJavaDocLine(" *"); StringBuilder sb = new StringBuilder(); sb.append(" * "); sb.append(MergeConstants.NEW_ELEMENT_TAG); if (markAsDoNotDelete) { sb.append(" do_not_delete_during_merge"); } 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 */ @Override protected String getDateString() { String result = null; if (!suppressDate) { result = currentDateStr; } return result; } @Override public void addClassComment(InnerClass innerClass, IntrospectedTable introspectedTable) { if (suppressAllComments) { return; } StringBuilder sb = new StringBuilder(); innerClass.addJavaDocLine("/**"); sb.append(" * "); sb.append(introspectedTable.getFullyQualifiedTable()); sb.append(" "); sb.append(getDateString()); innerClass.addJavaDocLine(sb.toString()); innerClass.addJavaDocLine(" */"); } @Override public void addEnumComment(InnerEnum innerEnum, IntrospectedTable introspectedTable) { if (suppressAllComments) { return; } StringBuilder sb = new StringBuilder(); innerEnum.addJavaDocLine("/**"); // addJavadocTag(innerEnum, false); sb.append(" * "); sb.append(introspectedTable.getFullyQualifiedTable()); innerEnum.addJavaDocLine(sb.toString()); innerEnum.addJavaDocLine(" */"); } @Override public void addFieldComment(Field field, IntrospectedTable introspectedTable, IntrospectedColumn introspectedColumn) { if (suppressAllComments) { return; } StringBuilder sb = new StringBuilder(); field.addJavaDocLine("/**"); sb.append(" * "); sb.append(introspectedColumn.getRemarks()); field.addJavaDocLine(sb.toString()); // addJavadocTag(field, false); field.addJavaDocLine(" */"); // field.addAnnotation("@Size(min = 0, max = " + // introspectedColumn.getLength() + " , message = // \"长度必须在{min}和{max}之间\")"); // field.addAnnotation("@NotNull"); if // (introspectedColumn.isStringColumn()) { // topLevelClass.addImportedType("javax.validation.constraints.Size"); // field.addAnnotation("@Size(min = 0, max = " + // introspectedColumn.getLength() + " , message = // \"长度必须在{min}和{max}之间\")"); } List<IntrospectedColumn> primaryKeyColumns = introspectedTable.getPrimaryKeyColumns(); for (IntrospectedColumn col : primaryKeyColumns) { if (col.getActualColumnName().equals(introspectedColumn.getActualColumnName())) { field.addAnnotation("@Id"); } } /* 除开id的其他字段上生成@Column注解 field.addAnnotation("@Column(name = \"" + introspectedColumn.getActualColumnName() + "\")");*/ } @Override public void addFieldComment(Field field, IntrospectedTable introspectedTable) { if (suppressAllComments) { return; } StringBuilder sb = new StringBuilder(); field.addJavaDocLine("/**"); sb.append(" * "); sb.append(introspectedTable.getFullyQualifiedTable()); field.addJavaDocLine(sb.toString()); field.addJavaDocLine(" */"); } @Override public void addGeneralMethodComment(Method method, IntrospectedTable introspectedTable) { if (suppressAllComments) { return; } // method.addJavaDocLine("/**"); // addJavadocTag(method, false); // method.addJavaDocLine(" */"); } @Override public void addGetterComment(Method method, IntrospectedTable introspectedTable, IntrospectedColumn introspectedColumn) { if (suppressAllComments) { return; } method.addJavaDocLine("/**"); StringBuilder sb = new StringBuilder(); sb.append(" * "); sb.append(introspectedColumn.getRemarks()); method.addJavaDocLine(sb.toString()); sb.setLength(0); sb.append(" * @return "); sb.append(introspectedColumn.getActualColumnName()); sb.append(" "); sb.append(introspectedColumn.getRemarks()); method.addJavaDocLine(sb.toString()); // addJavadocTag(method, false); method.addJavaDocLine(" */"); } @Override public void addSetterComment(Method method, IntrospectedTable introspectedTable, IntrospectedColumn introspectedColumn) { if (suppressAllComments) { return; } method.addJavaDocLine("/**"); StringBuilder sb = new StringBuilder(); sb.append(" * "); sb.append(introspectedColumn.getRemarks()); method.addJavaDocLine(sb.toString()); Parameter parm = method.getParameters().get(0); sb.setLength(0);