利用mysql和mysqli取得mysql的所有数据库和库中的所有表这个是mysql操作输出的结果：这个是msyqli操作输出的结果：

功能：利用mysql和mysqli两种连接数据库的方法，取得Mysql服务器上的所有数据库和库中的所有表。

环境：自己用分开安装apache mysql php搭建的环境

操作系统是：windows 10

代码如下：

结果如下：

0=>information_schema

CHARACTER_SETS

COLLATIONS

COLLATION_CHARACTER_SET_APPLICABILITY

COLUMNS

COLUMN_PRIVILEGES

ENGINES

EVENTS

FILES

GLOBAL_STATUS

GLOBAL_VARIABLES

KEY_COLUMN_USAGE

PARAMETERS

PARTITIONS

PLUGINS

PROCESSLIST

PROFILING

REFERENTIAL_CONSTRAINTS

ROUTINES

SCHEMATA

SCHEMA_PRIVILEGES

SESSION_STATUS

SESSION_VARIABLES

STATISTICS

TABLES

TABLESPACES

TABLE_CONSTRAINTS

TABLE_PRIVILEGES

TRIGGERS

USER_PRIVILEGES

VIEWS

INNODB_BUFFER_PAGE

INNODB_TRX

INNODB_BUFFER_POOL_STATS

INNODB_LOCK_WAITS

INNODB_CMPMEM

INNODB_CMP

INNODB_LOCKS

INNODB_CMPMEM_RESET

INNODB_CMP_RESET

INNODB_BUFFER_PAGE_LRU

1=>access_control

collection

collection2permission

permission

signup

user

user2collection

2=>db_bcty365

tb_bb

tb_bbqb

tb_bbs

tb_bccd

tb_bccdjj

tb_city

tb_cjwt

tb_dd

tb_leaveword

tb_reply

tb_sjxz

tb_soft

tb_tell

tb_type

tb_type_big

tb_type_small

tb_user

tb_xlh

3=>db_nethard

tb_member

tb_upfile

tb_uptype

4=>db_reglog

5=>mysql

columns_priv

db

event

func

general_log

help_category

help_keyword

help_relation

help_topic

host

ndb_binlog_index

plugin

proc

procs_priv

proxies_priv

servers

slow_log

tables_priv

time_zone

time_zone_leap_second

time_zone_name

time_zone_transition

time_zone_transition_type

6=>performance_schema

cond_instances

events_waits_current

events_waits_history

events_waits_history_long

events_waits_summary_by_instance

events_waits_summary_by_thread_by_event_name

events_waits_summary_global_by_event_name

file_instances

file_summary_by_event_name

file_summary_by_instance

mutex_instances

performance_timers

rwlock_instances

setup_consumers

setup_instruments

setup_timers

threads

7=>php_study

8=>phpbook

addressbook

9=>regi

member

10=>test

11=>world

city

country

countrylanguage

Array (    [0] => information_schema    [1] => access_control    [2] => db_bcty365    [3] => db_nethard    [4] => db_reglog    [5] => mysql    [6] => performance_schema    [7] => php_study    [8] => phpbook    [9] => regi    [10] => test    [11] => world )

本文转自孤舟夜航之家博客51CTO博客，原文链接http://blog.51cto.com/cysky/1693826如需转载请自行联系原作者

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