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发表于 2012-11-13 08:48:12
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1判断语句
' b* B. f# T0 C8 v+ B2 L1 ] if <condition> then
9 O& M! X" ~- \. F6 j F3 S! I <statement sequence1>;$ w, v, N% H+ |. d
elseif <condition> then& `% k) X" O, n
<statement sequence2>;
$ t" y! f" d* b3 H E; f; k6 { else : F$ Z" m3 T( c _( ~, v4 A
<statement sequence3>;
' E% p4 i& e9 Q7 y3 U7 `( h end;4 I" r: ^2 j" O q A* ]/ {/ z2 k
如果分支比较多，用：/ q4 m" _9 _( E: z, E8 z8 Y
inspect <expression>
% K6 I, k7 g) j9 a9 C) a4 w when <constant_list> then
: d* n' r& Z: p; `# v <statement sequence1>;
1 m x) U, N" K) d' ~# |8 T9 X when <constant_list> then8 p ~% y' A. y! r. F
<statement sequence2>;# k2 a5 T; b0 [3 w) S* A; ?
...* _0 _* C7 P8 v; B: Y
else9 E% j6 x0 L% t2 f
<statement sequence3>;% J1 i* W& q: S
end;# J% }% n9 q1 l! Z8 \- C: |
: [0 h0 ^. y# o2 N* _3 x2循环语句4 g/ _: }! d: B; h0 e
(1) from <statement sequence1>
& g3 @5 i, E5 S9 ^& [. L8 l) _ until <condition> loop
/ H _+ x: ?" Y+ H; n$ C <statement sequence2>;
- N4 i3 F: ?; k3 a8 B end; u ^# S) u: R% Z, K5 [4 b6 Q- u
(2) while <condition> loop0 m) Y: [; s4 Y' I8 U& f/ [9 R& m
<statement sequence1>;( n2 |! Q* x" W
end;
# |! s$ j0 B0 g% A- } (3) repeat 8 J" w" A9 X* M" V, o, r! O3 M
<statement sequence1>;
# p6 _$ Y/ h& K6 ?0 c% i; W3 K until <condition>;$ \6 [2 z4 V- V. ~3 U6 I9 G, U
(4) for <condition> to <condition> loop
6 v* i$ Q ~' ]9 n! D1 ^& f <statement sequence1>;8 J2 N* Z6 s6 w) O* J. {! w
next;) j' M5 T0 S+ C4 x5 y! y9 `
3中断语句
' I7 R1 j( `% b% `( M1 m waituntil <condition> prio <integer expression>;. R2 N1 H0 l+ i: E; r3 [; Z' L
& W C, y2 I' \; U
) F1 s' f* C. x: L以上为常用的函数！
; E& I, i8 ^' `0 v( P还有很多，如有需要我把资料发到你邮箱里 4 S6 I; c7 o T* e0 Q; j
& m; Q* ^% A0 S( H
0 i& ]% \: t7 W" f' P- ^4 V: ]
% y( w5 S5 p0 a8 _" P' U( [* Y . ]) l# ?! b) N0 y, L
2 ^ X6 N( e7 _) C X( ~! o% ?" a8 x& `7 v3 C C
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7 F2 `6 a: M+ B$ u; E2 N. I; X $ K; \; E) A1 l" @: ^1 C6 k' P
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