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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
3 q, c6 y" L8 u; z7 n# o8 k) D if <condition> then; U; W8 S* Y( M" N
<statement sequence1>;
4 @2 u$ p1 l- U9 R1 @ elseif <condition> then+ `8 |8 I0 P! I4 N$ ]1 S
<statement sequence2>;$ ^& _- M, C/ G- ?" Y- [, R, i
else
! j9 @1 T7 R- n9 i; G6 d* K8 m <statement sequence3>;- t/ r0 z( w$ k F" B( b
end;
7 \0 ?$ r8 M7 w如果分支比较多，用：3 Y6 Q1 j8 t B3 i+ i
inspect <expression>& H$ g6 S* [' C
when <constant_list> then) S/ s" r3 N0 F
<statement sequence1>;9 Y3 k" N6 b; j X9 @$ h9 S
when <constant_list> then* Q5 H6 Y2 N, ^+ j
<statement sequence2>;3 U. T3 c4 g H; d& I$ m
...
* k" o! p& K5 J+ L) q- x6 d else
! O2 m7 v6 l4 T' N6 L9 g* l% E6 ` <statement sequence3>;( j/ \! X( r* i: x/ |9 s4 I. q
end;
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2循环语句
9 v( H% Z; G, b* I" ? (1) from <statement sequence1>0 H4 Z2 i$ w, w4 B* n$ [, e& `
until <condition> loop1 [$ I: z! I) e9 n5 z2 f
<statement sequence2>;
, J) C7 g* y, A9 q! D @- V end;
+ h3 V! O8 r7 l- i2 {% _ (2) while <condition> loop
, ?' N" t, s; I <statement sequence1>;0 ?8 m, w; q7 m; ~3 e5 T! b: K
end;- B/ U$ \1 f6 {% u# j
(3) repeat ; w! L# v8 S* E- Z; T" A+ r& e/ J
<statement sequence1>;
% `1 C3 \% Z. l/ _" q- g. `. V until <condition>;. v5 R. h7 } {
(4) for <condition> to <condition> loop
6 V# m* M! F% Y3 M% t; D( Q" I <statement sequence1>;
8 g5 L( v) @& X: O) a4 {2 a' q( K next;6 N! `3 p. @0 T7 r7 M% h C# \
3中断语句- T( q1 V( E9 X0 i& Q6 L
waituntil <condition> prio <integer expression>;7 E% `$ m8 v- g6 G e0 j2 y
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; o4 a+ U: w$ ]3 c2 G: z" [以上为常用的函数！
8 h5 K, [9 I6 x1 ^3 f还有很多，如有需要我把资料发到你邮箱里
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