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发表于 2012-11-13 08:48:12
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1判断语句
[" l1 f( |$ S! P# f# D1 k$ h if <condition> then+ t g$ D+ A: b. f$ C
<statement sequence1>;
( `3 c$ H3 [: c; ^5 S elseif <condition> then
& Y$ v5 V$ e0 q0 @ <statement sequence2>;0 H3 }- U/ M4 ~& [8 n- W
else . m7 A' H; _- l; p; k* w% p
<statement sequence3>;; V5 W0 d/ ?( P; W, I( B* b( ^7 G8 h
end;
7 X1 Y& w3 c% y如果分支比较多，用：
2 P9 K2 ~6 _, d7 I) v inspect <expression>9 y9 @' O! p9 u. V' ]3 ]
when <constant_list> then# d9 u/ b2 X0 J5 \
<statement sequence1>;
# B' Q' U9 w; G$ m: y% { when <constant_list> then
0 S4 {- f, [5 o4 M- q' i <statement sequence2>;" j& l+ D/ @2 z$ U3 D" O$ W
.... P! c2 m: N. ]: l9 `
else
6 |. ?1 D S; L! T5 R/ R$ T <statement sequence3>;0 u# X" S9 k# k4 A$ D' f" `2 D
end;
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( b: X- b; u6 j- j2 {0 T$ Q2循环语句
$ J$ N8 a$ l0 p$ I (1) from <statement sequence1>
! D4 R' R4 |* B+ \' g until <condition> loop
3 t+ \# t2 F+ \ <statement sequence2>;
/ l7 y3 W" `. h! ^0 T* } end;
" \3 A4 T$ W$ @ E' |! Z$ j% K (2) while <condition> loop
: x+ Q0 z9 X2 ^& C3 A <statement sequence1>;
% M0 j9 E. M% `( E3 f$ k end;
5 |( o3 K- L. Z (3) repeat
9 ]: h+ d# @ t" p <statement sequence1>;! j W5 ^- K! N* ~0 ]* q6 ]$ b
until <condition>;3 l! S% G. p' ^! i
(4) for <condition> to <condition> loop# d Q6 _! ?4 i0 ]$ R( I6 E& N
<statement sequence1>;, f0 U" U9 c1 e3 s" n
next;
: D& @9 S- S- G7 ~: ~6 I \8 N3中断语句; J9 S( q7 _2 k$ k) `
waituntil <condition> prio <integer expression>;- n3 C; j, r1 J! t$ b. |( G" v4 g
9 i7 a5 S: ~ n0 B. `) _
8 V% q1 h2 \- i D& M以上为常用的函数！7 y& k6 x* D3 W' R- [+ g( h9 A% t( g
还有很多，如有需要我把资料发到你邮箱里
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