| 提交 | 用户 | age | ||
| 826b66 | 1 | package com.hx.auto.manage.xml.scan.util; |
| C | 2 | |
| 3 | import com.gitee.sunchenbin.mybatis.actable.annotation.Column; | |
| 4 | import com.gitee.sunchenbin.mybatis.actable.annotation.Table; | |
| 5 | import com.gitee.sunchenbin.mybatis.actable.constants.MySqlTypeConstant; | |
| 6 | import com.hx.auto.GeneratorMapperUtil; | |
| 7 | import com.hx.auto.GeneratorReadXmlUtil; | |
| 8 | import com.hx.auto.common.JdbcType; | |
| 9 | import com.hx.auto.common.ReadEntityData; | |
| 10 | import com.hx.auto.util.CommonTool; | |
| 11 | import com.hx.auto.util.GeneratorClassParentUtil; | |
| 12 | import freemarker.template.Configuration; | |
| 13 | import freemarker.template.DefaultObjectWrapper; | |
| 14 | import freemarker.template.Template; | |
| 15 | ||
| 16 | import java.io.*; | |
| 17 | import java.lang.reflect.Field; | |
| 18 | import java.util.HashMap; | |
| 19 | ||
| 20 | /** | |
| 21 | * 自动生成mapper.xml | |
| 22 | * | |
| 23 | * @author chenjiahe 2019年09月08日23:57:47 | |
| 24 | * | |
| 25 | */ | |
| 26 | public class CreateMapperUtil { | |
| 27 | ||
| 28 | private static String templateDir = "/ftl";//获取模板路径 | |
| 29 | private static String templateName = "Mapper.tpl";//action模板名称 | |
| 30 | ||
| 31 | /**生成mapper.xml | |
| 32 | * @param cl 实体类 | |
| 33 | * @param configUtil 生成配置信息 | |
| 34 | * @throws Exception | |
| 35 | */ | |
| 36 | public static void generatorMapper(Class<?> cl, ConfigUtil configUtil) throws Exception { | |
| 37 | try { | |
| 38 | ||
| 39 | // 反射start | |
| 40 | // 类名 | |
| 41 | String entityName = cl.getSimpleName(); | |
| 42 | ||
| 43 | //生成文件路径 | |
| 44 | String targetFile = configUtil.getXmlUrl().replace(".", "/")+"/"; | |
| 45 | //生成文件名称 | |
| 46 | targetFile += entityName + "Mapper.xml"; | |
| 47 | //补全路径 | |
| 48 | targetFile = "./"+configUtil.getPackFileName().replace(".", "/")+"/"+targetFile; | |
| 49 | //获取是否已经生成过文件，拿取自定义的内容 | |
| 50 | String xmlData = GeneratorReadXmlUtil.readMapperXml(targetFile); | |
| 51 | ||
| 52 | //如果不存在就直接跳过 | |
| 53 | if("false".equals(xmlData)){ | |
| 54 | return; | |
| 55 | } | |
| 56 | ||
| 57 | // 类名首字母小写 | |
| 58 | String initial = entityName.substring(0, 1).toLowerCase(); | |
| 59 | String entityNameSmall = initial + entityName.substring(1, entityName.length()); | |
| 60 | ||
| 61 | //获取实体类包名 | |
| 62 | String[] strs = cl.getName().split("\\."); | |
| 63 | String packageName = ""; | |
| 64 | //去掉类名 | |
| 65 | for(int i=0;i<strs.length-1;i++) { | |
| 66 | packageName += "."+strs[i]; | |
| 67 | } | |
| 68 | packageName = packageName.replaceFirst(".", ""); | |
| 69 | ||
| 70 | //获取模板 | |
| 71 | Configuration configuration = new Configuration(Configuration.getVersion()); | |
| 72 | configuration.setClassForTemplateLoading(GeneratorMapperUtil.class, templateDir); | |
| 73 | // 获取或创建模板 | |
| 74 | Template template = configuration.getTemplate(templateName); | |
| 75 | ||
| 76 | //实体类所有的字段 | |
| 77 | //用来存储数据 | |
| 78 | ReadEntityData readEntityData = new ReadEntityData(); | |
| 79 | //表名称 | |
| 80 | Table table = cl.getAnnotation(Table.class); | |
| 81 | readEntityData.setTableName(table.name()); | |
| 82 | // 取得本类的全部属性 | |
| 83 | Field[] fields = cl.getDeclaredFields(); | |
| 84 | fields = GeneratorClassParentUtil.getPatentFields(fields,cl); | |
| 85 | for (Field field:fields) { | |
| 86 | // 判断方法中是否有指定注解类型的注解 | |
| 87 | boolean hasAnnotation = field.isAnnotationPresent(Column.class); | |
| 88 | if (hasAnnotation) { | |
| 89 | // 根据注解类型返回方法的指定类型注解 | |
| 90 | Column column = field.getAnnotation(Column.class); | |
| 91 | ||
| 92 | //判断是不是 | |
| 93 | boolean isBol = false; | |
| 94 | Integer isBlob = 0; | |
| 95 | if(column.type().equals(MySqlTypeConstant.TEXT)||column.type().equals(MySqlTypeConstant.LONGTEXT) | |
| 96 | ||column.type().equals(MySqlTypeConstant.LONGBLOB)){ | |
| 97 | isBol = true; | |
| 98 | isBlob = 1; | |
| 99 | } | |
| 100 | ||
| 101 | //类型 | |
| 102 | //String type = column.type().toUpperCase(); | |
| 103 | String type = JdbcType.jdbcTypeData(field.getType().getTypeName().toUpperCase(),isBol); | |
| 104 | //主键 | |
| 105 | if (column.isKey()) { | |
| 106 | readEntityData.setEntityIdName(field.getName()); | |
| 107 | readEntityData.setEntityIdData("#{"+field.getName()+"}"); | |
| 108 | if(!CommonTool.checkNotNull(column.name())) { | |
| 109 | readEntityData.setTableIdName(field.getName()); | |
| 110 | }else { | |
| 111 | readEntityData.setTableIdName(column.name()); | |
| 112 | } | |
| 113 | readEntityData.setKeyType(type); | |
| 114 | continue; | |
| 115 | } | |
| 116 | //存储数据 | |
| 117 | if(!CommonTool.checkNotNull(column.name())) { | |
| 118 | readEntityData.fielData(field.getName(),field.getName(),type,isBlob,"#{"+field.getName()+"}"); | |
| 119 | }else { | |
| 120 | readEntityData.fielData(field.getName(),column.name(),type,isBlob,"#{"+field.getName()+"}"); | |
| 121 | } | |
| 122 | } | |
| 123 | } | |
| 124 | // 创建数据模型 | |
| 125 | HashMap<String, Object> root = new HashMap<String, Object>(); | |
| 126 | ||
| 127 | root.put("packageEntityName",packageName); | |
| 128 | //实体类的类名 | |
| 129 | root.put("entityName", entityName); | |
| 130 | //实体类的类名（首字母小写） | |
| 131 | root.put("entityNameSmall", entityNameSmall); | |
| 132 | //表字段 数据 | |
| 133 | root.put("fieldData",readEntityData); | |
| 134 | ||
| 135 | root.put("sqlSentence","${sqlSentence}"); | |
| 136 | ||
| 137 | root.put("DAOPackageName",configUtil.getDaoUrl()); | |
| 138 | //实体类的包名 | |
| 139 | root.put("entityPackageName",packageName); | |
| 140 | ||
| 141 | //获取是否已经生成过文件，拿取自定义的内容 | |
| 142 | root.put("customData",xmlData); | |
| 143 | ||
| 144 | System.out.println("mapperUrl:"+targetFile); | |
| 145 | // 将模板和数据模型合并 输出到Console | |
| 146 | Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(targetFile), "UTF-8")); | |
| 147 | template.process(root, out); | |
| 148 | out.flush(); | |
| 149 | out.close(); | |
| 150 | } catch (IOException e) { | |
| 151 | e.printStackTrace(); | |
| 152 | } | |
| 153 | } | |
| 154 | } | |
