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发表于 2012-11-13 08:48:12
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1判断语句
7 }/ T( H7 W: c$ Z if <condition> then
% E7 @: r6 e4 I f% } <statement sequence1>;0 Y# N2 B5 [2 x' D! n2 G& e3 W6 }0 j
elseif <condition> then9 l8 A* ~6 z F1 A, m, O
<statement sequence2>;3 k$ V* l+ c4 c& y- b. z" `
else 0 ~8 z. C' D$ x9 v$ S1 c
<statement sequence3>;) C. t9 i9 I0 O$ ^9 w+ R) |
end;
! F4 W5 K# T/ Y+ E如果分支比较多，用：5 Q* w1 i/ @. v! K' l4 M6 I
inspect <expression>& z9 b! _1 T/ F, F, F8 X
when <constant_list> then
* y$ n9 P9 W& g <statement sequence1>;0 m6 I9 J) p4 q- u L
when <constant_list> then
# u8 _6 B# y, r; o7 z2 ] <statement sequence2>;
" ^- M2 ?9 c. e [" g: Z% u- c* ] ...
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<statement sequence3>;. I- Y' n+ n& v' F" @
end;
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2 z7 }; f- `! A, t5 I' V' O& }0 \# s; f2循环语句
3 ^2 M$ l# @( o# E (1) from <statement sequence1>& Q" n: |$ l9 r+ K% l( v P
until <condition> loop& w( P+ p! q. Q( {
<statement sequence2>;
+ q# @, t8 v. X, _ end;0 h( {7 G3 J3 s+ @6 B0 [8 D
(2) while <condition> loop& f% n- a. U G' r4 P9 t
<statement sequence1>;
+ a& ?+ T: H) K end;
) }& @* q4 w# o% j& L) z# s$ f0 R3 E (3) repeat
2 d3 ?/ [- F' K& {4 _9 Z! a <statement sequence1>;% Y7 w" }/ \; [! W. W9 F* `/ Y
until <condition>;2 y9 e7 `. @* U. g9 _1 j1 a
(4) for <condition> to <condition> loop$ M7 c% S- q7 B5 i4 q
<statement sequence1>;
- h8 J7 w6 \8 B next;
5 P4 F: N* Z0 |% m" H, j3中断语句# B) X6 _4 |" V, { R- J
waituntil <condition> prio <integer expression>;4 X" h" D0 k; f
) c4 `# \: E: O0 @9 {9 \
4 t8 |8 _, V" ?0 ]$ }7 G以上为常用的函数！
+ y. r1 d, j4 o. M: `还有很多，如有需要我把资料发到你邮箱里
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