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        首先编写一段代码，存为.stx 文件（比如sql.stx），然后在editplus的菜单条Tools-> Preferences->Files->Setting &syntax，,点addbutton，例如以下图：

        在弹出框中填写上SQL，例如以下图：

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       再点击Advancedbutton，在弹出框的file Extensions栏位也填上SQL,假设有多个扩展名，之间用“；”隔开（比如：sql; db2），例如以下图：

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        然后在syntax file栏位填上sql.stx文件所在的路径，例如以下图：

        以下是我的sql.stx文件源代码（转载：http://hi.baidu.com/wriwgqzuyvfpvwe/item/c0cc27d67299d616d80e445b）：

#TITLE=SQL

; SQL syntax file written by KK.

#DELIMITER=,(){}[]-+*%/="'~!&|<>?

:;.

#QUOTATION1='

#QUOTATION2="

#LINECOMMENT=--

#COMMENTON=/*

#COMMENTOFF=*/

#SPECIAL_STX=SQL

#KEYWORD=SQL Tags

;VAR

sql_variant

datetime

smalldatetime

float

real

decimal

money

smallmoney

bigint

int

smallint

tinyint

bit

ntext

text

image

integer

timestamp

uniqueidentifier

nvarchar

nchar

varchar

char

CHARACTER

varbinary

binary

#KEYWORD=Reserved words

ADD

ALL

ALTER

AND

ANY

AS

ASC

AUTHORIZATION

AVG

BACKUP

BEGIN

BETWEEN

BREAK

BROWSE

BULK

BY

CASCADE

CASE

CHECK

CHECKPOINT

CLOSE

CLUSTERED

COALESCE

COLUMN

COMMIT

COMMENT

COMMITTED

COMPUTE

CONFIRM

CONNECT

CONSTRAINT

CONTAINS

CONTAINSTABLE

CONTINUE

CONTROLROW

CONVERT

COUNT

CREATE

CROSS

CURRENT

CURRENT_DATE

CURRENT_TIME

CURRENT_TIMESTAMP

CURRENT_USER

CURSOR

DATABASE

DBCC

DEALLOCATE

DECLARE

DEFAULT

DELETE

DENY

DESC

DISK

DISTINCT

DISTRIBUTED

DOUBLE

DROP

DUMMY

DUMP

ELSE

END

ERRLVL

ERROREXIT

ESCAPE

EXCEPT

EXEC

EXECUTE

EXISTS

EXIT

FETCH

FILE

FILLFACTOR

FLOPPY

FOR

FOREIGN

FREETEXT

FREETEXTTABLE

FROM

FULL

GOTO

GRANT

GROUP

HAVING

HOLDLOCK

IDENTITY

IDENTITY_INSERT

IDENTITYCOL

IF

IN

INDEX

INNER

INSERT

INTERSECT

INTO

IS

ISOLATION

JOIN

KEY

KILL

LEFT

LEVEL

LIKE

LINENO

LOAD

MAX

MIN

MIRROREXIT

NATIONAL

NOCHECK

NONCLUSTERED

NOT

NULL

NULLIF

OF

OFF

OFFSETS

ON

ONCE

ONLY

OPEN

OPENDATASOURCE

OPENQUERY

OPENROWSET

OPTION

OR

ORDER

OUTER

OVER

PERCENT

PERM

PERMANENT

PIPE

PLAN

PRECISION

PREPARE

PRIMARY

PRINT

PRIVILEGES

PROC

PROCEDURE

PROCESSEXIT

PUBLIC

RAISERROR

READ

READTEXT

RECONFIGURE

REFERENCES

REPEATABLE

REPLICATION

RESTORE

RESTRICT

RETURN

REVOKE

RIGHT

ROLLBACK

ROWCOUNT

ROWGUIDCOL

RULE

SAVE

SCHEMA

SELECT

SERIALIZABLE

SESSION_USER

SET

SETUSER

SHUTDOWN

SOME

STATISTICS

SUBSTR

SUM

SYSTEM_USER

TABLE

TAPE

TEMP

TEMPORARY

TEXTSIZE

THEN

TIMESTAMP

TO

TOP

TRAN

TRANSACTION

TRIGGER

TRUNCATE

TSEQUAL

UNCOMMITTED

UNION

UNIQUE

UPDATE

UPDATETEXT

USE

USER

USING

VALUES

VARYING

VIEW

WAITFOR

WHEN

WHERE

WHILE

WITH

WORK

WRITETEXT