2024代碼開(kāi)發(fā)標(biāo)準(zhǔn)

目錄TOC\o"1-3"\h\u9 122441. 169642. 1173933. 1142723.1 1101593.2 1300774. 1297465. 2155945.1 2237245.2 2302945.3 3190585.4OOP 317965.5 446255.6 4113425.7 4292725.8 5197535.9 5134075.10 5236646. 5156326.1 531459 59158 6158036.2 6161136.3 6264337. 6242998. 622589.MySQL 7287659.1 75539.2 7191769.3SQL 8122769.4ORM 82199310. 82763210.1 81550810.2 82129310.3 92963011. 91104812. 9GAV（GroupId、ArtifactId、Version）:MavenjariBATIS,mybatisPOJOAO（ApplicationObject）ApplicationObjectServiceOOM（OutOfMemory）JVM例：_name/name/$name/name_/name$/name。int[]arrayDemo。booleanisExistsconditioncondi。OOPObjectequalsequals。equalsArrayListforeachremove/addremoveIteratorIteratoradd/remove/clearUnsupportedOperationException線程池不允許使用ExecutorsThreadPoolExecutor的方式，ExecutorsOOM。caseswitchdefault，就算是空的。switchStringnullJavadoc/**內(nèi)容*/服務(wù)端發(fā)生錯(cuò)誤時(shí)，返回給前端的響應(yīng)信息必須包含HTTP狀態(tài)碼，errorCode、finally塊必須對(duì)資源對(duì)象、流對(duì)象進(jìn)行關(guān)閉，有異常也要做try-catch；不要在finallyreturn。SQLMETADATASQLSQLMySQLpk_uk_idx_字段名。說(shuō)明：pk_primarykey；uk_uniquekey；idx_indexSQLcount(countcount(*)，count(*SQL92NULLNULLNULLcount(col0sum(col)的返回結(jié)果為NULLsumNPEinin1000ORMDO（DataObject）DAODTO（DataTransferObject）：數(shù)據(jù)傳輸對(duì)象，ServiceManagerBO（BusinessObj