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发表于 2012-11-13 08:48:12
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1判断语句
* W2 H/ i% w' F! N& j1 T if <condition> then
/ g" q! o) P8 y' z: w& N' u% c <statement sequence1>;
! R" ^: V, H$ @. W6 Z elseif <condition> then
0 M& X) M" h; ^5 F4 h <statement sequence2>;
8 Z2 `2 q" T) M4 R else
! ?- S% t+ y2 N <statement sequence3>;
+ ]3 X, H% o5 `; v end;
+ f2 H1 |8 x3 M5 q% m1 @. @如果分支比较多，用： m+ p' @* }8 t% i% I
inspect <expression># S6 M. c! C+ E0 b! ?4 F
when <constant_list> then
0 g8 i5 P; ]# \$ g <statement sequence1>;8 m" R. u: J4 U5 n5 W+ Q
when <constant_list> then
3 \( j+ N: x+ b0 W! M2 a( y2 k <statement sequence2>;
b+ c5 a9 a" A: E: u! N% o ...7 g: F# y! ] b. V. [
else& e) G! r3 h5 s9 K" J
<statement sequence3>;) `9 B7 [* X' e @6 |7 z9 o
end;% w8 K- d; P3 i- y( `
! k7 s$ ~, N! i; z" |2循环语句
4 a$ u! N% k. ]1 m1 A9 M$ ? (1) from <statement sequence1>) E* w5 u* E: o6 z$ _5 e
until <condition> loop9 ~' i* q: T1 b; I3 S/ ]: h
<statement sequence2>;6 j! V5 h- T' ]/ w7 U! l0 h
end;
( U4 U. p/ s4 {5 M2 r9 c5 s (2) while <condition> loop
" j0 ]$ x/ b, n! E+ v# E <statement sequence1>; L- P0 u; d8 c$ P( f5 Y% q$ x) p
end;8 ^: M+ Y& T4 `0 s
(3) repeat # |* L0 \& L. E' d
<statement sequence1>;" j4 L m: M" S6 i- W
until <condition>;
+ l1 G- s- n1 p$ O4 G/ \ (4) for <condition> to <condition> loop
: b4 ~6 p8 k! C <statement sequence1>;
/ b+ t \4 f* J3 L n) p next;% e5 c0 _/ A! n# X( Q
3中断语句
5 G% s' }' _! w: a7 U/ E* t" } waituntil <condition> prio <integer expression>;
4 G/ v6 y/ z" @/ z% L9 w8 p% j
L2 o2 q0 v8 G2 D1 c" d4 x
% d9 j- `4 h9 `" N* V以上为常用的函数！
) d* Z4 K( C6 j: A) w' h还有很多，如有需要我把资料发到你邮箱里
6 l7 j E( _; d" n/ a- K- h; D7 h4 }" O, W9 }5 S
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4 G M0 D) O! p2 R$ J) {
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