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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
l6 Q l9 U9 R' p if <condition> then
: }+ t% f0 B* Q: W <statement sequence1>;; r! g7 a( ~3 m& M0 n
elseif <condition> then7 R# e" o; u" v/ k
<statement sequence2>;6 ^7 g# K! S5 T% U8 a$ g
else ) B4 ? G( N4 e) j
<statement sequence3>;+ B: a T2 W7 Y- T+ }, O6 R
end;
; ~4 F f4 ^% D5 u$ c3 r如果分支比较多，用：/ Q4 J7 ^- z' E F4 d
inspect <expression>7 ?: S! j, `) F* c' a$ z
when <constant_list> then( R! N9 e5 }" G7 D5 K+ t
<statement sequence1>; J6 E. d8 ]. g: ?7 \! j' w2 ^3 T! F$ W
when <constant_list> then2 u4 G, i) n, Z( p
<statement sequence2>;) Y1 v, e* T, Q2 e; P p" {3 N& q4 s
...+ Y5 R8 ~( n" Q# [: \
else2 Q9 c/ R& c. v2 g2 i9 f( a
<statement sequence3>;& d3 i# ]- `7 Y7 S% f' E1 H
end;
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2循环语句
3 w7 j% r) F# g (1) from <statement sequence1>% q" O1 F; @' _) J5 o. t
until <condition> loop
' d# I2 ?4 j, [2 `; `7 N1 D <statement sequence2>;
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(2) while <condition> loop
6 I* ~* @( ^+ d0 i0 \' y" K <statement sequence1>;
+ O% D; X! V; s1 D end;& ?9 Z# a2 V. N! h+ Q' b! l: Q4 C
(3) repeat " d- h& U9 i1 h- V# c. x# e+ U
<statement sequence1>;
# T$ X) u3 |& c. U until <condition>;7 ]; O( R% k, n4 d# |, ~, I
(4) for <condition> to <condition> loop& r6 X) Z1 ^* I! s& n7 D& c
<statement sequence1>;
+ q9 {$ O0 N/ Q& w next;) N! U* B2 H' E( _
3中断语句2 Q! o& d( u. q
waituntil <condition> prio <integer expression>;0 I' n- x( a( g' X$ ^# m
+ V) Z t: e; ]- P
# m2 p6 L: X9 a以上为常用的函数！
7 B+ _( J" {" S% ]还有很多，如有需要我把资料发到你邮箱里
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