top.xiajibagao.mybatis.plus.join.helper

类 SqlUtils

java.lang.Object

top.xiajibagao.mybatis.plus.join.helper.SqlUtils

所有已实现的接口:

com.baomidou.mybatisplus.core.toolkit.Constants, com.baomidou.mybatisplus.core.toolkit.StringPool, Serializable, ExtendConstants

public class SqlUtils
extends Object
implements ExtendConstants

作者:

huangchengxing

另请参阅:

序列化表格

字段概要

从接口继承的字段 top.xiajibagao.mybatis.plus.join.constants.ExtendConstants

AND, AS, BRACES, BRACKETS, COMMA_SPACE, EQ, FROM, GE, GT, IN, INNER_JOIN, IS_NOT_NULL, IS_NULL, JOIN, LE, LEFT_JOIN, LIMIT, LT, MP_PLACEHOLDER, NE, NONE, ON, OR, Q_WRAPPER_SQL_JOIN, Q_WRAPPER_SQL_LAST, Q_WRAPPER_SQL_TABLE_IF_NON_ALISA, Q_WRAPPER_SQL_TABLE_WITH_ALISA, RIGHT_JOIN, SELECT, SQ_BRACKETS, WHERE, WRAPPER_HAS_JOIN

从接口继承的字段 com.baomidou.mybatisplus.core.toolkit.Constants

AES, AES_CBC_CIPHER, COLLECTION, COLUMN_MAP, COLUMN_MAP_IS_EMPTY, ENTITY, ENTITY_DOT, MD5, MP_OPTLOCK_ET_ORIGINAL, MP_OPTLOCK_INTERCEPTOR, MP_OPTLOCK_VERSION_COLUMN, MP_OPTLOCK_VERSION_ORIGINAL, MYBATIS_PLUS, Q_WRAPPER_SQL_COMMENT, Q_WRAPPER_SQL_FIRST, Q_WRAPPER_SQL_SELECT, U_WRAPPER_SQL_SET, WRAPPER, WRAPPER_DOT, WRAPPER_EMPTYOFNORMAL, WRAPPER_EMPTYOFWHERE, WRAPPER_ENTITY, WRAPPER_ENTITY_DOT, WRAPPER_NONEMPTYOFENTITY, WRAPPER_NONEMPTYOFNORMAL, WRAPPER_NONEMPTYOFWHERE, WRAPPER_PARAM, WRAPPER_PARAM_FORMAT, WRAPPER_SQLSEGMENT

从接口继承的字段 com.baomidou.mybatisplus.core.toolkit.StringPool

AMPERSAND, ASTERISK, AT, BACK_SLASH, BACKTICK, BYTES_NEW_LINE, COLON, COMMA, CRLF, DASH, DOLLAR, DOLLAR_LEFT_BRACE, DOT, DOT_CLASS, DOT_JAVA, DOT_NEWLINE, DOT_XML, DOTDOT, EMPTY, EMPTY_ARRAY, EQUALS, EXCLAMATION_MARK, FALSE, HASH, HASH_LEFT_BRACE, HAT, HTML_AMP, HTML_GT, HTML_LT, HTML_NBSP, HTML_QUOTE, ISO_8859_1, LEFT_BRACE, LEFT_BRACKET, LEFT_CHEV, LEFT_SQ_BRACKET, N, NEWLINE, NO, NULL, OFF, ONE, PERCENT, PIPE, PLUS, QUESTION_MARK, QUOTE, RETURN, RIGHT_BRACE, RIGHT_BRACKET, RIGHT_CHEV, RIGHT_SQ_BRACKET, SEMICOLON, SINGLE_QUOTE, SLASH, SPACE, STAR, TAB, TILDA, TRUE, UNDERSCORE, US_ASCII, UTF_8, Y, YES, ZERO

构造器概要

构造器

构造器和说明
SqlUtils()

方法概要

限定符和类型	方法和说明
static String	concatAs(@NotNull String columnName, @NotNull String alisaName) 仅当别名不为空时，拼接AS
static String	concatBrackets(String target) 拼接括号
static String	concatSegment(@NotNull Collection<? extends com.baomidou.mybatisplus.core.conditions.ISqlSegment> segments) 拼接sql片段
static String	concatSegment(String delimiter, @NotNull Collection<? extends com.baomidou.mybatisplus.core.conditions.ISqlSegment> segments) 拼接sql片段
static String	space(com.baomidou.mybatisplus.core.conditions.ISqlSegment... targets) 拼接空格，将忽略空字符串
static String	space(String... targets) 拼接空格，将忽略空字符串
static <W extends JoinWrapper<?,?>> String	wrapperToSql(W wrapper) 将wrapper转为可执行的sql片段

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

SqlUtils

public SqlUtils()

方法详细资料

space

public static String space(@Nullable
                           String... targets)

拼接空格，将忽略空字符串

参数:

targets - targets

返回:

java.lang.String

space

public static String space(@Nullable
                           com.baomidou.mybatisplus.core.conditions.ISqlSegment... targets)

拼接空格，将忽略空字符串

参数:

targets - targets

返回:

java.lang.String

concatAs

public static String concatAs(@NotNull
                              @NotNull String columnName,
                              @NotNull
                              @NotNull String alisaName)

仅当别名不为空时，拼接AS

参数:

columnName - 左值

alisaName - 右值

返回:

java.lang.String

concatBrackets

public static String concatBrackets(@Nullable
                                    String target)

拼接括号

参数:

target - target

返回:

java.lang.String

concatSegment

public static String concatSegment(@Nullable
                                   String delimiter,
                                   @NotNull
                                   @NotNull Collection<? extends com.baomidou.mybatisplus.core.conditions.ISqlSegment> segments)

拼接sql片段

参数:

delimiter - 分隔符

segments - sql片段

返回:

java.lang.String

concatSegment

public static String concatSegment(@NotNull
                                   @NotNull Collection<? extends com.baomidou.mybatisplus.core.conditions.ISqlSegment> segments)

拼接sql片段

参数:

segments - sql片段

返回:

java.lang.String

wrapperToSql

public static <W extends JoinWrapper<?,?>> String wrapperToSql(@NotNull
                                                               W wrapper)

将wrapper转为可执行的sql片段

参数:

wrapper - wrapper

返回:

java.lang.String