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发表于 2012-11-13 08:48:12
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1判断语句
* T# s6 `( J0 n- s4 a if <condition> then. V$ C0 S' M3 Y7 I/ q% Y
<statement sequence1>;
; j0 ?9 e7 ~9 x+ p' D elseif <condition> then
0 o J+ ^" j' s7 `5 U <statement sequence2>;0 g/ @+ x0 A1 ?* ^' F/ G0 s" ~
else & H% |, U9 X& M" g( @5 {0 G
<statement sequence3>;% x" U' G/ @! J0 t/ P1 y
end;
& z( y9 L( |! e. R0 {: k如果分支比较多，用：
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when <constant_list> then) j& |/ X1 |! ?+ s b
<statement sequence1>;
" F6 {2 \: @8 |8 }6 I2 o when <constant_list> then
: {) X& N/ `/ W5 W) `7 F <statement sequence2>;/ _2 l& i* Q' M! q1 b( @
...
7 x$ M' s+ M9 ?! m7 B0 m2 I: G else+ ~7 c' V2 ^9 t2 B6 d- }
<statement sequence3>;
- @2 s% f7 Q1 t1 Yend;' |; t9 s" C( H1 V1 |) s
1 B5 W6 L% ^" t+ J$ m7 [2循环语句
$ t( }4 @9 R! Q% d: s0 O7 c' m( X5 J2 w, B (1) from <statement sequence1>
! ?. v$ R% n# t, J: S until <condition> loop0 ~4 y* M3 N6 _7 T3 A9 u$ Q
<statement sequence2>;
' O6 ?7 r9 S# @: R2 I* B end;
$ l7 U% m& q. K# m9 a1 A (2) while <condition> loop( C' h% w3 f5 u+ b9 y
<statement sequence1>;
. T: e" g: m( q end;
9 U' s6 F+ _$ b$ Z8 x# V (3) repeat 0 ~* h9 }/ B. L% X2 T- T6 i* X
<statement sequence1>;9 {$ p3 Z; N8 u% i4 A2 D1 B% g& s
until <condition>;' R4 u# ?. J8 R/ U {/ i
(4) for <condition> to <condition> loop
1 y* r0 ~6 A5 P) v9 |# U <statement sequence1>;( A( P9 |5 K) J$ _6 M
next;( h$ d, D! H- Z$ w) k2 i6 `6 }
3中断语句
# z/ I0 u$ k Q waituntil <condition> prio <integer expression>;. q" J" X' E* f
2 z" @( ]3 a+ r+ O/ D# d. S( y) v& B
以上为常用的函数！) v; P2 I/ u2 F, d
还有很多，如有需要我把资料发到你邮箱里
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