ST璇�瑷�杩愮畻绗︿粙缁�

鏃犲績椋炴壃

1.ST璇�瑷�涓�鐨勮祴鍊艰繍绠楃�︼細

璧嬪�艰��鍙ョ殑鎰忚瘑鏄�灏嗕竴涓�甯搁噺鎴栬�呭彉閲忕殑鍊艰祴鍊肩粰鍙︿竴涓�鍙橀噺銆�

鍦�ST璇�瑷�涓�鐨勫啓娉曚负  鍙橀噺1  := 鍙橀噺2

ST鏂囨湰涓�浣跨敤鈥�:=鈥濅綔涓鸿祴鍊艰繍绠楃�︼紝鐩稿綋浜庢��褰㈠浘涓�鐨�MOV鍜�C璇�瑷�涓�鐨勨��=鈥�

2. 绠楁暟杩愮畻绗�

绠楁暟杩愮畻绗︿负鏁板�︿腑鐨勫姞鍑忎箻闄�

鍔犳硶鈥�+鈥�

var1 := 10;

Var2 :=20;

Var10 :=  var1 + var2;

杈撳嚭var10鐨勫�间负30锛�

鍑忔硶鈥�-鈥�

var1 := 10;

Var2 :=20;

Var11 :=  var1 -var2;

杈撳嚭var11鐨勫�间负20锛�

涔樻硶鈥�*鈥�

var1 := 10;

Var2 :=20;

Var12 :=  var1 * var2;

杈撳嚭var12鐨勫�间负200锛�

闄ゆ硶鈥�/鈥�

var1 := 10;

Var2 :=20;

Var13 :=  var2/var1;

杈撳嚭var13鐨勫�间负2锛�

绋嬪簭杩愯�岀粨鏋滀负锛�

杩樻湁涓�涓�鍙栦綑杩愮畻绗�MOD 鐩稿綋浜�c璇�瑷�涓�鐨勨��%鈥�

var10 := var1 MOD var2,鍚�var1闄や互var2鐨勪綑鏁拌祴鍊肩粰var10.

3.姣旇緝杩愮畻绗﹀熀鏈�鐢ㄦ硶

鍦�ST璇�瑷�涓�姣旇緝杩愮畻绗︿竴鑸�鏈変袱绉嶇敤娉曪細

1. 閰嶅悎if璇�鍙ワ紝浣滀负if璇�鍙ョ殑鍒ゆ柇鏉′欢浣跨敤銆�

2. 鍦ㄨ祴鍊艰��鍙ョ殑鍙充晶锛屼綔涓轰竴涓�琛ㄨ揪鏄�锛岃繑鍥炰竴涓�TRUE鎴栬��FLASE缁欒〃杈惧紡宸﹁竟鐨勫彉閲忋��

澶т簬鈥�>鈥�

Num1 := 200;
Num2 := 1000;
Test1 := (Num1 > Num2);
杈撳嚭缁撴灉锛�Test1瀹為檯涓� false锛屽洜涓篘um1(200)骞朵笉澶т簬Num2(1000);杩愯�岀粨鏋滀负鍋囥��
Num3 := 888;
Num4 := 666;
Test2 := (Num3 > Num4);
杩愯�岀粨鏋滐細Test2瀹為檯杈撳嚭缁撴灉涓�true锛屽洜涓�888纭�瀹炴槸澶т簬666銆傛墍浠ヨ繍琛岀粨鏋滀负鐪燂紒

灏忎簬鈥�<鈥�

Num5 := 888;
Num6 := 666;
Test3 := (Num5 < Num6);
鍒�Test3杩愮畻缁撴灉涓篺alse锛屽洜涓�888涓嶅皬浜�666.鎵�浠ヨ繍绠楃粨鏋滀负鍋�
Num7 := 233;
Num8 := 2333;
Test4 := (Num7 < Num8);
鍒�Test4杩愯�岀粨鏋滀负true锛屽洜涓�233<2333,鎵�浠ヨ繍绠楃粨鏋滀负鐪熴��

绛変簬鈥�=鈥�

绛変簬鍙蜂袱杈圭殑鍊肩浉绛夊垯杩愯�岀粨鏋滀负TRUE锛屼笉鐩哥瓑鍒欎负FLASE

Num9 := 100;

Num10:= 100;

鍒�Test5 := (Num9 = Num10);

鍒�Test5鐨勮繍琛岀粨鏋滀负true 锛屽洜涓�100=100锛屾墍浠ヨ繍绠楃粨鏋滀负鐪熴��

涓嶇瓑浜�鈥�<>鈥濆ぇ浜庣瓑浜庘��>=鈥濆皬浜庣瓑浜庘��<=鈥濆悓鐞�

4.閫昏緫杩愮畻绗�

閫昏緫杩愮畻鐩稿綋浜庢暟鐢典腑鐨�鈥滀笌鈥濃�滄垨鈥濃�滈潪鈥濊繖3涓�閫昏緫闂ㄣ��

涓�鑸�鐢ㄤ簬if璇�鍙ヤ腑浣滀负澶氶噸鏉′欢鐨勫垽鏂�锛屾垨鑰呰祴鍊艰��鍙ュ彸杈归儴鍒嗚〃杈惧紡鐨勮繛鎺ョ�︺�傝繕鏈変竴涓�寮傛垨锛�XOR锛夌浉鍚屼负0鐩稿紓涓�1

A := NOT (B); 灏�B鐨勫�煎彇鍙嶅啀璧嬪�肩粰A銆�

5.缃�浣嶅拰澶嶄綅杩愮畻绗︼細

娓稿��锛屽�傛灉鎮ㄨ�佹煡鐪嬫湰甯栭殣钘忓唴瀹硅��鍥炲��

yjqdtlz

66666666666666666666666666666