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发表于 2012-11-13 08:48:12
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1判断语句3 Q. Y! F; H. f( ?3 L( P
if <condition> then/ W/ U' c- p0 B7 E( e b
<statement sequence1>;0 W) m+ O( S2 l. ^) w1 ~, J( O3 E
elseif <condition> then, c, ^- p4 ^, ]
<statement sequence2>;5 \1 |8 y7 t9 G, r% R. m& T! `
else 0 {: L$ Y9 Y4 J- Y1 T" X# |/ R
<statement sequence3>;( P- x4 i# q6 C8 f# \$ O" ?$ E$ ^
end;
5 V/ s+ t, ]: C! N4 V# L( j6 v2 l如果分支比较多，用：
* u' X& A K; F1 T inspect <expression>
" H) L6 a, ^3 a, i( @- f% } when <constant_list> then
( G7 e7 W* m, q& T; h, ] <statement sequence1>;/ C1 ]) F1 D& H! c' s
when <constant_list> then
$ J# y0 x+ B' r& t8 R <statement sequence2>;
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else/ x) J8 N/ I1 l" x
<statement sequence3>;2 E' [+ }" W4 U: Q' c& \! o
end;0 W# S+ Y/ W% U7 L: I. Q
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2循环语句
2 l$ w% g/ e7 n g* q0 ]) x( Q (1) from <statement sequence1>) u' L; X! K* Y2 X9 D: O
until <condition> loop
; Z1 w; \; K: s. ]( H4 I+ i <statement sequence2>;
; P0 Q- e9 v' N7 D& Y- b; k! K/ s end;
2 Y( I: }, I4 V+ F+ t (2) while <condition> loop; J' G0 S: X- G, Z
<statement sequence1>;& h0 f! Z' x$ H: x
end;
* t3 q8 c9 ]. h/ U6 A+ [- S; g0 C P (3) repeat
; q0 V* }, u) h! I, K- R' e/ } <statement sequence1>;2 E' V% I i3 |! k7 u3 e/ E
until <condition>;+ H/ E0 L# d. J7 Z
(4) for <condition> to <condition> loop
- y2 B7 ~4 E5 t1 f. M/ L <statement sequence1>;
) d2 U# \0 l- g8 F0 {7 F next;
0 J; I+ Z& }- }% w/ Z1 ?' Q3中断语句
; l8 }; l1 I7 v' ]/ h6 I$ r waituntil <condition> prio <integer expression>;+ C) D0 `9 d& [$ i$ q
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3 c7 ?" O6 `" A5 `/ I5 L以上为常用的函数！
8 O# s6 C N6 x1 W. e1 d: }还有很多，如有需要我把资料发到你邮箱里
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