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发表于 2012-11-13 08:48:12
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显示全部楼层
1判断语句
1 _* ~% Z: R5 n& S+ K3 s8 b. @3 y if <condition> then+ g6 y0 z5 j9 U& e# S
<statement sequence1>;
5 Y* j9 d7 t+ Z( n% q" d& C; `$ k elseif <condition> then, P4 e( g' L! ~
<statement sequence2>;1 Y9 d: J. ]) ^- |$ `4 [$ d
else
% e( u0 b- O+ E; d( h <statement sequence3>;
' t- x. C$ Q, R E end;
+ m; D* [5 l9 s& m- o0 |如果分支比较多，用：: w' b& c0 D: @
inspect <expression>, D; w$ _, I- v2 J T$ A/ y" z
when <constant_list> then
+ ` a) }7 b# m/ {$ s! @, H <statement sequence1>;
: W/ Z9 _; y$ O# d( ^' \ when <constant_list> then0 J! g- L9 `4 w. V, t2 v
<statement sequence2>;
8 c9 N" [1 u7 j! F' M8 D ...
9 K4 l$ U3 S8 ] else
3 X% R) B7 ?" G+ ` <statement sequence3>;' m- w8 l" g( M3 `" c5 ]# N
end;
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2循环语句
6 f; a5 z% R7 n5 k; H (1) from <statement sequence1>6 y4 y( ]- P3 Q B! a
until <condition> loop/ T: n$ b4 t# b: S; T# W
<statement sequence2>;
2 }: V1 P0 L' a5 F# c( t, H7 @ end;
; i' h# P2 {, }8 j% Y0 G (2) while <condition> loop
' x! ?( w# N" O$ ?. H# ]% [ <statement sequence1>;9 n3 w" q$ h8 V
end;" G; M, h* }: X
(3) repeat ) K& p( _$ l1 z& J4 H( u. c
<statement sequence1>;# c, {3 u$ D: a8 |- F, A
until <condition>;( E8 I9 ]* w5 ?; @2 y; e
(4) for <condition> to <condition> loop/ U! q5 o" B2 o' Y- N
<statement sequence1>; v Y$ I: h7 s: O1 H1 c/ M7 K
next;' C& k2 L. X& n. c( B
3中断语句* ?5 |; ]- b' K1 u
waituntil <condition> prio <integer expression>;
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3 A2 ]' v ^1 @" e+ L! T% _
+ I4 b8 P# z3 _, @& S# E0 N$ f$ P$ t以上为常用的函数！
' e5 I& i8 b& M: O0 ?6 x6 S5 q还有很多，如有需要我把资料发到你邮箱里
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