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| 826b66 | 1 | package com.hx.mybatis.aes.springbean; |
| C | 2 | |
| 3 | import com.gitee.sunchenbin.mybatis.actable.annotation.Column; | |
| 4 | import com.gitee.sunchenbin.mybatis.actable.annotation.Table; | |
| 5 | import com.hx.common.annotations.MysqlHexAes; | |
| 6 | import com.hx.common.dao.mapper.CommonMapper; | |
| 7 | import com.hx.common.service.CommonService; | |
| 8 | import com.hx.exception.ServiceException; | |
| 9 | import com.hx.mybatisTool.SqlSentence; | |
| 10 | import com.hx.util.StringUtils; | |
| 11 | import com.hx.util.mysql.aes.MysqlHexAesTool; | |
| 12 | ||
| 13 | import java.lang.reflect.Field; | |
| 14 | import java.util.*; | |
| 15 | import java.util.concurrent.ExecutorService; | |
| 16 | import java.util.concurrent.Executors; | |
| 17 | ||
| 18 | public class InitMysqlData { | |
| 19 | ||
| 20 | /** | |
| 21 | * 项目启动就执行后就执行该方法 | |
| 22 | */ | |
| 23 | //@PostConstruct 2022-06-17屏掉，暂时用不上 | |
| 24 | public static void initData(String packPath, CommonService commonService){ | |
| 25 | ||
| 26 | //项目启动的时候填入 | |
| 27 | if(!StringUtils.isEmpty(packPath)){ | |
| 28 | Set<Class<?>> classes = VariableAesKey.classData(packPath); | |
| 29 | ||
| 30 | SqlSentence sqlSentence = new SqlSentence(); | |
| 31 | Map<String,Object> values = new HashMap<>(); | |
| 32 | ||
| 33 | //解析表数据 | |
| 34 | List<FieldData> fieldDatas = entityhandle(classes); | |
| 35 | ||
| 36 | int pageSize = 500; | |
| 37 | //创建一个定长线程池，可控制线程最大并发数，超出的线程会在队列中等待。 | |
| 38 | ExecutorService fixedThreadPool = Executors.newFixedThreadPool(20); | |
| 39 | try{ | |
| 40 | for(FieldData fieldData:fieldDatas){ | |
| 41 | //获取条数 | |
| 42 | sqlSentence.sqlSentence("SELECT COUNT(0) FROM "+fieldData.getTableName(),values); | |
| 43 | int total = commonService.selectCountSql(sqlSentence); | |
| 44 | if(total ==0 ){ | |
| 45 | continue; | |
| 46 | } | |
| 47 | int pageTotal = total/pageSize+1; | |
| 48 | for(int i= 0;i<pageTotal;i++){ | |
| 49 | int finalI = i; | |
| 50 | fixedThreadPool.execute(new Runnable() { | |
| 51 | @Override | |
| 52 | public void run() { | |
| 53 | //更新数据 | |
| 54 | updateData(fieldData,commonService, finalI,pageSize); | |
| 55 | } | |
| 56 | }); | |
| 57 | } | |
| 58 | } | |
| 59 | }catch (Exception e){ | |
| 60 | e.printStackTrace(); | |
| 61 | }finally { | |
| 62 | fixedThreadPool.shutdown(); | |
| 63 | } | |
| 64 | } | |
| 65 | } | |
| 66 | ||
| 67 | /**更新数据*/ | |
| 68 | public static void updateData(FieldData fieldData,CommonService commonService,int pageNum,int pageSize){ | |
| 69 | SqlSentence sqlSentence = new SqlSentence(); | |
| 70 | Map<String,Object> values = new HashMap<>(); | |
| 71 | ||
| 72 | //查询数据 | |
| 73 | StringBuilder selectField = new StringBuilder(); | |
| 74 | selectField.append(fieldData.getId()); | |
| 75 | for(String fieldName:fieldData.getEncrypFields()){ | |
| 76 | selectField.append(","+fieldName); | |
| 77 | } | |
| 78 | pageNum = pageNum*pageSize; | |
| 79 | ||
| 80 | sqlSentence.sqlSentence("SELECT "+selectField.toString()+" FROM "+fieldData.getTableName()+" LIMIT "+pageNum+","+pageSize,values); | |
| 81 | List<Map<String,Object>> list = commonService.selectListMap(CommonMapper.class,sqlSentence); | |
| 82 | ||
| 83 | boolean isUpdate = false; | |
| 84 | for (Map<String,Object> map:list){ | |
| 85 | isUpdate = false; | |
| 86 | StringBuilder setField = new StringBuilder(); | |
| 87 | for (Map.Entry<String, Object> entry : map.entrySet()) { | |
| 88 | String mapKey = entry.getKey(); | |
| 89 | String mapValue = (String) entry.getValue(); | |
| 90 | if(StringUtils.isEmpty(mapValue)){ | |
| 91 | continue; | |
| 92 | } | |
| 93 | if(mapValue.length()%32==0 && MysqlHexAesTool.isHexStrValid(mapValue)){ | |
| 94 | continue; | |
| 95 | } | |
| 96 | if(fieldData.getId().equals(mapKey)){ | |
| 97 | continue; | |
| 98 | } | |
| 99 | if(setField.length()>0){ | |
| 100 | setField.append(","); | |
| 101 | } | |
| 102 | setField.append(mapKey+" = #{m."+mapKey+"}"); | |
| 103 | isUpdate = true; | |
| 104 | } | |
| 105 | ||
| 106 | if(isUpdate){ | |
| 107 | values = map; | |
| 108 | sqlSentence.sqlSentence("UPDATE "+fieldData.getTableName()+" SET "+setField.toString()+" WHERE "+fieldData.getId()+" = #{m."+fieldData.getId()+"}",values); | |
| 109 | ||
| 110 | if(commonService.updateSentence(sqlSentence)!=1){ | |
| 111 | throw new ServiceException("更新超过1条，更新失败！"); | |
| 112 | } | |
| 113 | } | |
| 114 | } | |
| 115 | ||
| 116 | } | |
| 117 | ||
| 118 | /**获取到表的数据*/ | |
| 119 | public static List<FieldData> entityhandle(Set<Class<?>> classes){ | |
| 120 | ||
| 121 | List<FieldData> fildDatas = new ArrayList<>(); | |
| 122 | //存储单表字段信息 | |
| 123 | FieldData fildData; | |
| 124 | //存储需要加密的字段 | |
| 125 | Set<String> encrypFields; | |
| 126 | ||
| 127 | String fildName; | |
| 128 | ||
| 129 | for(Class<?> cl:classes){ | |
| 130 | fildData = new FieldData(); | |
| 131 | encrypFields = new HashSet<>(); | |
| 132 | ||
| 133 | //表名称 | |
| 134 | if(!cl.isAnnotationPresent(Table.class)){ | |
| 135 | continue; | |
| 136 | } | |
| 137 | Table table = cl.getAnnotation(Table.class); | |
| 138 | fildData.setTableName(table.name()); | |
| 139 | ||
| 140 | // 取得本类的全部属性 | |
| 141 | Field[] fields = cl.getDeclaredFields(); | |
| 142 | fields = VariableAesKey.getPatentFields(fields,cl); | |
| 143 | for (Field field:fields) { | |
| 144 | ||
| 145 | fildName = null; | |
| 146 | if(field.isAnnotationPresent(Column.class)){ | |
| 147 | Column column = field.getAnnotation(Column.class); | |
| 148 | fildName = column.name(); | |
| 149 | if(StringUtils.isEmpty(fildName)){ | |
| 150 | fildName = field.getName(); | |
| 151 | } | |
| 152 | if(column.isKey()){ | |
| 153 | fildData.setId(fildName); | |
| 154 | } | |
| 155 | }else{ | |
| 156 | fildName = field.getName(); | |
| 157 | } | |
| 158 | ||
| 159 | // 判断方法中是否有指定注解类型的注解 | |
| 160 | if (!field.isAnnotationPresent(MysqlHexAes.class)) { | |
| 161 | continue; | |
| 162 | } | |
| 163 | // 根据注解类型返回方法的指定类型注解 | |
| 164 | MysqlHexAes mysqlHexAes = field.getAnnotation(MysqlHexAes.class); | |
| 165 | //判断版本号是不是一样的 | |
| 166 | if(!StringUtils.isEmpty(VariableAesKey.INIT_VERSION)){ | |
| 167 | if(!VariableAesKey.INIT_VERSION.equals(mysqlHexAes.initVersion())){ | |
| 168 | continue; | |
| 169 | } | |
| 170 | }else{ | |
| 171 | if(!StringUtils.isEmpty(mysqlHexAes.initVersion())){ | |
| 172 | continue; | |
| 173 | } | |
| 174 | } | |
| 175 | ||
| 176 | String aesKey = mysqlHexAes.aesKey(); | |
| 177 | if(StringUtils.isEmpty(aesKey)){ | |
| 178 | aesKey = VariableAesKey.AES_KEY; | |
| 179 | if(StringUtils.isEmpty(aesKey)){ | |
| 180 | throw new RuntimeException("mysql的AES秘钥不能为空:"+field.getName()); | |
| 181 | } | |
| 182 | } | |
| 183 | ||
| 184 | encrypFields.add(fildName); | |
| 185 | } | |
| 186 | //是否有需要加密得字段 | |
| 187 | if(encrypFields.size()<=0){ | |
| 188 | continue; | |
| 189 | } | |
| 190 | fildData.setEncrypFields(encrypFields); | |
| 191 | fildDatas.add(fildData); | |
| 192 | } | |
| 193 | return fildDatas; | |
| 194 | } | |
| 195 | ||
| 196 | ||
| 197 | } | |
