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发表于 2012-11-13 08:48:12
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1判断语句( h" g7 S) u- s
if <condition> then( J3 _8 F/ p$ D
<statement sequence1>;
: P* F1 s w8 ?6 m elseif <condition> then$ V8 t% R1 F8 L) p9 A) {
<statement sequence2>;
a' F3 y) p4 x4 G- u else ) r0 L* v/ E2 s) S4 N
<statement sequence3>;# z7 o9 B* C0 l4 k! c% @
end;
4 m. K2 q9 Z2 N/ R; ]7 ?% ?如果分支比较多，用：7 o/ h$ F! N0 D: i8 ^9 t
inspect <expression>
# p' m G4 i% u6 M. ? when <constant_list> then
8 ^# P- `# E: l) o2 E( V4 ~ <statement sequence1>;1 M8 a1 m, p [: x! V
when <constant_list> then
2 ]7 L/ g. _1 U: v# ^' Q <statement sequence2>;
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else2 ]; k) r$ O( d
<statement sequence3>;
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2循环语句4 I9 F1 t! `; ~% v: l9 A
(1) from <statement sequence1>% d$ T- q2 S3 E1 ]
until <condition> loop7 y; P' H( E' }% B9 \% Y
<statement sequence2>;- } S$ Q/ Y/ f& [$ F3 Z3 s0 l1 b, D
end;
1 y( q3 X+ w3 |4 G (2) while <condition> loop
7 ^' A Z) F+ C, Y* X <statement sequence1>;
5 {$ ^' {* s9 y! Y6 s8 l- P end;
# ~9 \" [, Z* i8 \; W (3) repeat & F2 ~+ x( M+ ] a
<statement sequence1>;
& |1 h- Q6 Q. W& O until <condition>;
9 s& v; t; K* D! E5 V* V (4) for <condition> to <condition> loop6 O I) O$ z1 a' [6 ]% q+ N3 K0 s
<statement sequence1>; v4 j I( b5 i/ {# k
next;
8 o" l9 S+ l) F+ n. T0 r3中断语句+ @) V8 i0 J& K! n0 i/ w) [
waituntil <condition> prio <integer expression>;
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以上为常用的函数！9 O& [0 g- {8 U" \8 u% R* J/ `. F- V; W
还有很多，如有需要我把资料发到你邮箱里 / h( Y- A6 |' G
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