- 20230628 java.sql.DriverManager
介绍java.sql.DriverManagerpublicclassDriverManager驱动管理器根据API编写的程序都可以与驱动管理器进行通信，而驱动管理器则通过驱动程序与实际的数据库进行通信APIstaticgetConnectionConnectiongetLogWriter,setLogWritergetLoginTimeout,setLoginT......
- 20230628 java.sql.ResultSet
介绍java.sql.ResultSetpublicinterfaceResultSetextendsWrapper,AutoCloseable结果集结果集支持滚动，支持更新，默认不开启API常量FetchDirectionFETCH_FORWARD:1000FETCH_REVERSE:1001FETCH_UNKNOWN:1002resultSetTypeTYPE_FORWARD_ONLY:1003结果......
- 20230628 java.sql.SQLException
介绍java.sql.SQLExceptionpublicclassSQLExceptionextendsjava.lang.ExceptionimplementsIterable每个SQLException都有一个由多个SQLException对象构成的链有大量的异常子类，按照树结构组织API构造器SQLException()SQLException(Stringreason)SQLExceptio......
- 20230628 java.sql.Statement
介绍java.sql.StatementpublicinterfaceStatementextendsWrapper,AutoCloseable语句API常量SUCCESS_NO_INFO:-2EXECUTE_FAILED:-3getMoreResultsCLOSE_CURRENT_RESULT:1KEEP_CURRENT_RESULT:2CLOSE_ALL_RESULTS:3autoGeneratedKeysRETURN_GENE......
- 20230629 java.sql.CallableStatement
介绍java.sql.CallableStatementpublicinterfaceCallableStatementextendsPreparedStatementAPIpublicregisterOutParameterwasNullset/getgetArraygetRefsetAsciiStreamsetBigDecimal,getBigDecimalsetBinaryStreamsetBlob,getBlobsetBoolean,getBoo......
- 20230629 java.sql.DatabaseMetaData
介绍java.sql.DatabaseMetaDatapublicinterfaceDatabaseMetaDataextendsWrapper数据库的元数据API常量procedureResultUnknown:0procedureNoResult:1procedureReturnsResult:2procedureColumnUnknown:0procedureColumnIn:1procedureColumnInOut:2p......
- 20230629 java.sql.ParameterMetaData
介绍java.sql.ParameterMetaDatapublicinterfaceParameterMetaDataextendsWrapper预备语句参数的元数据API常量parameterNoNulls:0parameterNullable:1parameterNullableUnknown:2parameterModeUnknown:0parameterModeIn:1parameterModeInOut:2par......
- 20230629 java.sql.PreparedStatement
介绍java.sql.PreparedStatementpublicinterfacePreparedStatementextendsStatement预备语句APIpublicaddBatchclearParametersgetMetaData结果集元数据ResultSetMetaDatagetParameterMetaData预备语句参数的元数据ParameterMetaDataexecutee......
- 20230629 java.sql.ResultSetMetaData
介绍java.sql.ResultSetMetaDatapublicinterfaceResultSetMetaDataextendsWrapper结果集的元数据API常量columnNoNulls:0columnNullable:1columnNullableUnknown:2publicgetColumnCount返回当前ResultSet对象中的列数getColumnDisplaySize返......
- 20230628 java.net.URLDecoder
介绍java.net.URLDecoderpublicclassURLDecoderURL解码器对应的URL编码器类是URLEncoderURL编码模式保留字符A到Z、a到z、0到9，以及.-~_用+字符替换所有的空格将其他所有字符编码为UTF-8，并将每个字节都编码为%后面紧跟一个两位的十六进制数......
