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发表于 2012-11-13 08:48:12
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1判断语句/ u. R6 K* H7 I2 O. l, _% s1 J: O9 f
if <condition> then
% c' O+ o, B1 m m; p$ j <statement sequence1>;" }# P6 I6 B: i9 S% g! k, W" W7 o
elseif <condition> then
1 l$ |3 }5 B- }8 S) }8 E/ i G$ [ <statement sequence2>;" A4 a8 K m. ]6 G; ~
else
5 K8 M7 o/ ~, }' ^9 N. S <statement sequence3>;: X; u6 Y+ l9 R$ U2 l6 R7 M& a
end;
o! O. B( G/ u( I l# u! s1 P如果分支比较多，用：- j/ W" Z8 F' Y
inspect <expression>+ Q) A6 `# E2 k$ J
when <constant_list> then
3 u3 N! Y5 W$ n) {. o u0 X <statement sequence1>;( k5 ]5 Q0 \/ s+ E
when <constant_list> then
1 J/ P# x4 H$ |3 ^* x0 X3 g# @ <statement sequence2>;
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else" u, o5 \( w- v3 j! O: [
<statement sequence3>;8 S% R7 E! m; S( V5 j8 K: r7 c
end;0 |$ l$ l. P R$ m
6 x+ u; f! i0 A4 n5 V4 ~5 p2循环语句
/ h+ H( u( C$ A; B& a/ h: V (1) from <statement sequence1>
3 r8 p' r& s% N& e% } until <condition> loop( c$ Y8 S5 u, A) b0 B, }2 {, J
<statement sequence2>;8 y L4 T. V+ K8 w* x$ B* Y6 S
end;- R3 }* i( ~6 C% v& }& [
(2) while <condition> loop
7 J9 V! v. |9 E7 J; @- h <statement sequence1>;
& ]) H& `% c6 R6 [6 X end;
* D* u6 f; s3 k$ w+ z (3) repeat
3 @1 [$ S2 m1 | <statement sequence1>;
! k) p: A; `: b$ }+ Y6 d7 I0 K# |( L until <condition>;
" {. B) h+ u H (4) for <condition> to <condition> loop
' I9 o! a2 a& c3 k, J <statement sequence1>;
. M: Y# g4 i7 m+ [ next;% i- K: ~' g4 X/ T
3中断语句. {) K' T$ D) L
waituntil <condition> prio <integer expression>;
9 |7 k' i; W$ o6 f# `* Y9 n
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5 W4 i% p7 x, U+ S: x7 H以上为常用的函数！
. E; G1 \0 e. O L还有很多，如有需要我把资料发到你邮箱里
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