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发表于 2012-11-13 08:48:12
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1判断语句
5 M! l& R( m) k if <condition> then. J& ~" ^# @/ y9 X3 e- C D
<statement sequence1>;
8 c* e6 e& ]2 Y9 m1 [. V elseif <condition> then3 L) u9 q3 C5 m) H
<statement sequence2>;7 K6 y" Y, D& @8 }
else
3 J3 Y0 S, f, H5 a <statement sequence3>;0 a S5 C2 I$ W: u/ B' K8 s7 U! m
end;
6 q4 x6 B" i; L& z' L如果分支比较多，用：
9 T0 C. s f" n0 |8 s& f inspect <expression>
; F) t1 E7 c" g" o9 Y when <constant_list> then3 ^9 E! ^5 p" Z- B. v' c
<statement sequence1>;# S$ }+ g( Y" N2 s7 B8 v
when <constant_list> then
4 L8 T `) o6 Q4 y7 V9 }7 T <statement sequence2>;, ?, i4 [2 {8 ?: p
...5 Q0 p& T( n' R, D* d
else/ J+ v' ~# o7 F( D
<statement sequence3>;1 `* S! p1 \7 j3 m4 y: D
end;; j F& d3 [( J' D3 G1 K3 c
9 |: Y r: H6 e& E5 \- e7 F2循环语句2 ]9 G7 H" F) _, ?+ R
(1) from <statement sequence1>
. t/ \1 r5 R( C/ ?7 y$ H+ c: d until <condition> loop
2 j# \, G8 ?) F" ~3 l <statement sequence2>;& h; l5 k7 }; _ `% _( g& F; h
end;
& l# e$ o+ f2 } (2) while <condition> loop
! l+ B+ r" O) J( s4 z' X Y0 p4 j <statement sequence1>;3 ^: L; l+ ?6 B$ ~( g
end;
9 k% y+ m& a' f7 h (3) repeat
. F- r% |# W8 X <statement sequence1>;" L% X# Q0 W! ?. d
until <condition>;
6 m/ w1 q1 J. f! T; d0 u+ S4 H0 H (4) for <condition> to <condition> loop
9 m( ?3 k2 b4 e: A: w* ? <statement sequence1>;
1 M7 E2 @& V: K5 q- Q next;2 h0 b$ z1 {2 d7 Z# e
3中断语句 W& o% ~% l) o+ G& Y% `2 `
waituntil <condition> prio <integer expression>;+ ~' J) \" P8 {" B, c
! \7 q, m' n! O+ M3 [( X
/ i( |+ e7 Y, B# S- N以上为常用的函数！
; u& `" A. Z( Q: |2 H3 G: `还有很多，如有需要我把资料发到你邮箱里 . L6 y( Y9 c) |: S
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