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  • TA鐨勬瘡鏃ュ績鎯
    鎿︽睏
    2019-8-13 14:13

    • 绛惧埌澶╂暟: 32 澶

    [LV.5]甯镐綇灞呮皯I
    鍙戣〃浜 2022-11-30 13:45:57 | 鏄剧ず鍏ㄩ儴妤煎眰 |闃呰妯″紡
    1. 璧嬪兼寚浠
    鍙橀噺 := 鍙橀噺鎴栬〃杈惧紡
    鎰忎箟锛氭搷浣滅鈥:=鈥濆彸杈瑰彉閲忔垨琛ㄨ揪寮忕殑鍊艰璧嬬粰浜嗗乏杈圭殑鍙橀噺
    渚嬪锛 Var2:=Var1*10;
    璇ヨ鍙ユ妸Var1鐨勫间箻浠10锛屽啀灏嗗緱鍒扮殑缁撴灉璧嬪肩粰Var2銆
    2 IF鎸囦护
    浣跨敤IF鎸囦护鍙互妫鏌ユ潯浠讹紝骞舵牴鎹鏉′欢鎵ц鐩稿簲鐨勬寚浠ゃ
    甯歌鐨処F鎸囦护缁撴瀯鏈夛細
    (1) IF 鏉′欢A THEN
    琛ㄨ揪寮廇;
    END_IF
    褰撴潯浠禔婊¤冻鏃讹紝鎵ц琛ㄨ揪寮廇銆
    渚嬪锛
    IF temp<17
    THEN heating_on := TRUE;
    END_IF
    褰撴俯搴﹂檷鍒17搴︿互涓嬫椂锛屽紑鍚姞鐑櫒銆

    (2) IF 鏉′欢A THEN
    琛ㄨ揪寮廇;
    ELSE
    琛ㄨ揪寮廈;
    END_IF
    褰撴潯浠禔婊¤冻鏃讹紝鎵ц琛ㄨ揪寮廇锛涘惁鍒欙紝鎵ц琛ㄨ揪寮廈銆
    渚嬪锛
    IF temp<17
    THEN heating_on := TRUE;
    ELSE heating_on := FALSE;
    END_IF;
    褰撴俯搴﹂檷鍒17搴︿互涓嬫椂锛屽紑鍚姞鐑櫒, 鍚﹀垯鍔犵儹鍣ㄤ繚鎸佸叧闂

    锛 3锛 IF 鏉′欢A THEN 琛ㄨ揪寮廇锛
    ELSIF 鏉′欢B THEN 琛ㄨ揪寮廈锛
    ...
    ELSIF 鏉′欢N-1 THEN 琛ㄨ揪寮廚-1锛
    ELSE 琛ㄨ揪寮廚锛
    END_IF
    褰撴潯浠禔婊¤冻鏃讹紝鎵ц琛ㄨ揪寮廇锛涘惁鍒欙紝褰撴潯浠禕婊¤冻鏃讹紝鎵ц琛ㄨ揪寮廈锛 鈥﹀惁鍒欙紝褰(鏉′欢
    N-1)婊¤冻鏃讹紝鎵ц(琛ㄨ揪寮廚-1)锛涘鏋滀互涓婃潯浠堕兘涓嶆弧瓒筹紝鍒欐墽琛岃〃杈惧紡N; 鎸囦护缁撴潫銆
    渚嬪锛
    IF temp<17
    THEN heating_on := TRUE;
    ELSIF temp>30
    THEN Heating_on := FALSE; Colding_on:= FALSE;
    ELSE
    Colding_on:= TRUE;
    END_IF
    褰撴俯搴﹂檷鍒17搴︿互涓嬫椂锛屽紑鍚姞鐑櫒锛涘綋娓╁害鍗囬珮鍒30搴︿互涓婃椂锛屽紑鍚埗鍐峰櫒锛涘綋娓╁害鍦
    17搴30搴︿箣闂存椂锛屽姞鐑櫒銆佸埗鍐峰櫒鍧囦繚鎸佸叧闂

      
    3 CASE鎸囦护
    璇硶锛
    CASE <鎺у埗鍙橀噺> OF
    <鏁板1>: <琛ㄨ揪寮1>
    <鏁板2>: <琛ㄨ揪寮2>
    <鏁板3, 鏁板4, 鏁板5>: <琛ㄨ揪寮3>
    <鏁板6 .. 鏁板10>: <琛ㄨ揪寮4>
    ...
    <鏁板糿>: <琛ㄨ揪寮弉>
    ELSE <ELSE鐨勮〃杈惧紡>
    END_CASE
    CASE鎸囦护鐢ㄤ簬灏嗘帶鍒跺彉閲忓拰鑻ュ共涓搷浣滄暟杩涜姣旇緝锛屽鏋滄帶鍒跺彉閲忎笌鍏朵腑涓涓肩浉鍚岋紝鍒欐墽
    琛岃鍊煎搴旂殑璇彞銆傚鏋滀笌浠讳綍涓涓奸兘涓嶇浉鍚岋紝鍒欐墽琛孍LSE鎸囦护鐨勮鍙ャ
    渚嬪锛
    CASE INT1 OF
    1, 5: BOOL1 := TRUE;
    2: BOOL2 := TRUE;
    10..20: BOOL3:= TRUE;
    ELSE
    BOOL1 := BOOL2 :=BOOL3 :=FALSE;
    END_CASE
    褰揑NT1=1鎴5鏃讹紝 BOOL1涓虹湡锛
    褰揑NT1=2鏃讹紝 BOOL2涓虹湡锛
    褰揑NT1=10~20涔嬮棿鐨勬暟鍊兼椂锛 BOOL3涓虹湡锛
    鍚﹀垯锛 BOOL1銆 BOOL2銆 BOOL3鍧囦负鍋囥
    褰撲娇鐢↖F鎸囦护鏈夎繃澶氬垎灞傦紝鎴栬呴渶瑕佷娇鐢ㄥ涓狤LSIF锛屾墠鑳藉畬鎴愮▼搴忓姛鑳芥椂锛屼娇鐢–ASE鎸囦护
    鏇夸唬IF鎸囦护锛屽彲浠ョ畝鍖栫▼搴忥紝骞朵笖鑳芥彁楂樼▼搴忕殑鍙鎬с
    4 FOR寰幆鎸囦护
    FOR寰幆鎸囦护鐢ㄤ簬涓浜涢渶瑕侀噸澶嶆墽琛岀殑璇彞锛屽畠鍙互浣跨▼搴忕畝鐭苟涓斾竴鐩簡鐒躲備絾闇瑕佹敞鎰
    閬垮厤闄峰叆姝诲惊鐜
    FOR寰幆鎸囦护鏄湁闄愬埗鐨勫惊鐜寚浠, 褰撻檺鍒舵潯浠舵弧瓒筹紙鍙橀噺鍊肩瓑浜庘滃惊鐜粨鏉熸椂鍙橀噺鍊尖濓級鏃讹紝
    绋嬪簭灏卞皢閫鍑篎OR寰幆锛屾墽琛屼笅涓鏉℃寚浠ゃ
    璇硶锛
    FOR <寰幆鎺у埗鍙橀噺> := <寰幆寮濮嬫椂鍙橀噺鍊> TO <寰幆缁撴潫鏃跺彉閲忓>{BY <鍙橀噺閫掑姝ラ暱>}
    DO
    <琛ㄨ揪寮>
    END_FOR
    鍏朵腑锛寋}鍐呰鍙ュ彲鏍规嵁闇瑕佺渷鐣ワ紝鐪佺暐鏃舵闀块粯璁や负1銆
    渚嬪锛
    FOR Counter:=1 TO 5 BY 1 DO
    Var1:=Var1*2;
    END_FOR
    姝ょ▼搴忕殑寰幆鎺у埗鍙橀噺涓篊ounter锛屽惊鐜紑濮嬫椂鎺у埗鍙橀噺鍒濆间负1锛屾瘡涓娆″惊鐜疌ounter+1锛
    褰揅ounter绛変簬5鏃讹紝鎵ц瀹孎OR寰幆鍐呭鍚庯紝閫鍑哄惊鐜紝鎵ц涓嬩竴鏉¤鍙ャ
    璇彞Var1:=Var1*2涓鍏辨墽琛5娆★紱鍋囪Var1鐨勫垵濮嬪兼槸1锛岄偅涔堝惊鐜粨鏉熷悗锛 Var1鐨勫间负
    32銆
    娉ㄦ剰锛 <寰幆缁撴潫鏃跺彉閲忓>涓嶈兘绛変簬鍏舵暟鎹被鍨嬬殑鏈澶у硷紝鍚﹀垯浼氳繘鍏ユ寰幆銆
    渚嬪锛屽亣璁句笂渚嬩腑鎵浣跨敤鐨勮鏁板彉閲廋ounter鐨勭被鍨嬫槸SINT锛堣寖鍥翠粠-128鍒127锛夛紝濡傛灉璇
    鍙ヤ负
    鈥淔OR Counter:=1 TO 127 BY 1 DO鈥
    鍒欎細杩涘叆姝诲惊鐜傜紪绋嬫椂搴旈伩鍏嶆绫绘儏鍐电殑鍙戠敓銆
    5 WHILE寰幆鎸囦护
    WHILE寰幆涓嶧OR寰幆浣跨敤鏂规硶绫讳技銆備簩鑰呯殑涓嶅悓涔嬪鏄紝 WHILE寰幆鐨勭粨鏉熸潯浠朵笉鏄寚瀹
    鐨勫惊鐜鏁帮紝鑰屾槸浠绘剰鐨勯昏緫琛ㄨ揪寮忋傚綋婊¤冻璇ヨ〃杈惧紡鍙欒堪鐨勬潯浠舵弧瓒虫椂锛屾墽琛屽惊鐜
    璇硶锛
    WHILE <寰幆鏉′欢>
    <琛ㄨ揪寮>
    END_WHILE
    WHILE寰幆鎵ц鍓嶅厛妫鏌<寰幆鏉′欢>鏄惁涓篢RUE锛屽鏋滀负TRUE锛屽垯鎵ц<琛ㄨ揪寮>锛涘綋鎵ц
    瀹屼竴娆″悗锛屽啀娆℃鏌<寰幆鏉′欢>锛屽鏋滀粛涓篢RUE锛屽垯鍐嶆鎵ц锛岀洿鍒<寰幆鏉′欢>涓篎ALSE銆
    濡傛灉涓寮濮<寰幆鏉′欢>灏变负FALSE锛屽垯涓嶄細鎵цWHILE寰幆閲岀殑鎸囦护銆
    渚嬪锛
    WHILE Counter<>0 DO
    Var1 := Var1*2;
    Counter := Counter-1;
    END_WHILE
    姝ょ▼搴忓彧瑕丆ounter涓嶇瓑浜0锛屽垯涓鐩翠細鎵цWHILE寰幆涓殑鎸囦护锛岀洿鍒癈ounter绛変簬0涓烘銆
    姣忔墽琛屼竴娆″惊鐜紝閫氳繃鎸囦护鈥淐ounter := Counter-1鈥濅娇Counter鐨勫煎噺1锛屽綋Counter绛変簬0
    鏃讹紝寰幆缁撴潫銆
    娉ㄦ剰锛 WHILE寰幆鍥犱负娌℃湁寰幆娆℃暟鐨勯檺瀹氾紝鍥犳鐩稿FOR寰幆鏇村鏄撳彂鐢熸寰幆锛涘洜姝
    鍙互鍦ㄥ惊鐜寚浠ょ殑鍐呭涓紝澧炲姞璇彞鏉ラ伩鍏嶆寰幆鐨勪骇鐢熴傚涓婅堪绋嬪簭涓殑鈥淐ounter :=
    Counter-1鈥濆嵆鍙伩鍏嶇▼搴忚繘鍏ユ寰幆銆
    6 REPEAT寰幆鎸囦护
    REPEAT寰幆涓嶹HILE寰幆涓鏍凤紝涔熸槸娌℃湁鏄庣‘寰幆娆℃暟鐨勫惊鐜備笌WHILE寰幆鐨勫尯鍒湪浜庯紝
    REPEAT寰幆鍦ㄦ寚浠ゆ墽琛屼互鍚庯紝鎵嶆鏌ョ粨鏉熸潯浠躲傝繖灏辨剰鍛崇潃鏃犺缁撴潫鏉′欢鎬庢牱锛屽惊鐜嚦灏
    鎵ц涓娆°
    璇硶锛
    REPEAT
    <琛ㄨ揪寮>
    UNTIL <寰幆缁撴潫鏉′欢>
    END_REPEAT
    璇彞涓鐩存墽琛岋紝鐩村埌<寰幆缁撴潫鏉′欢>涓篢RUE鏃讹紝 REPEAT寰幆缁撴潫銆傚鏋<寰幆缁撴潫鏉′欢>涓
    寮濮嬪氨涓篢RUE锛屽垯寰幆鍙墽琛屼竴娆°
    渚嬪锛屼笂杩癢HILE绀轰緥绋嬪簭涔熷彲鍐欎负锛
    REPEAT
    Var1 := Var1*2;
    Counter := Counter-1;
    UNTIL
    Counter=0
    END_REPEAT
    娉ㄦ剰锛 REPEAT寰幆鍚屾牱闇瑕侀伩鍏嶆寰幆鐨勫彂鐢熴
    鍦ㄤ竴瀹氱殑鎰忎箟涓婏紝 WHILE寰幆鍜孯EPEAT寰幆姣擣OR寰幆鐨勫姛鑳芥洿鍔犲己澶э紝杩欐槸鍥犱负鍦ㄦ墽琛屽惊
    鐜墠锛 WHILE寰幆鍜孯EPEAT寰幆涓嶉渶瑕佺煡閬撳惊鐜殑娆℃暟銆傚洜姝わ紝鍦ㄦ湁浜涙儏鍐典笅锛屽彧浣跨敤杩
    涓ょ寰幆灏卞彲浠ヤ簡銆傜劧鑰岋紝濡傛灉娓呮鍦扮煡閬撲簡寰幆鐨勬鏁帮紝閭ｄ箞FOR寰幆鏇村ソ锛屽洜涓篎OR寰
    鐜彲浠ラ伩鍏嶄骇鐢熸寰幆銆
    7 CONTINUE鎸囦护
    CONTINUE鎸囦护鍙互鍦‵OR銆 WHILE鍜孯EPEAT涓夌寰幆涓娇鐢紝鍏朵綔鐢ㄤ负涓柇鏈寰幆锛岀洿
    鎺ユ墽琛屼笅娆″惊鐜
    渚嬪锛
    FOR Counter:=1 TO 5 BY 1 DO
    INT1:= INT1/2;
    IF INT1=0 THEN
    CONTINUE; (* to avoid division by zero *)
    END_IF
    Var1:=Var1/INT1; (* only executed, if INT1 is not "0" *)
    END_FOR
    姝ょ▼搴忎娇鐢–ONTINUE鎸囦护锛屽綋INT1绛変簬0鏃讹紝鐩存帴缁撴潫鏈寰幆锛屽紑濮嬩笅涓娆″惊鐜紝浠
    閬垮厤鎸囦护鈥淰ar1:=Var1/INT1鈥濅腑瀵笽NT1鐨勯櫎闆舵搷浣溿

    8 EXIT鎸囦护
    EXIT鐢ㄤ簬閫鍑篎OR寰幆銆 WHILE寰幆銆 REPEAT寰幆銆備緥濡傦細
    FOR Counter:=1 TO 5 BY 1 DO
    INT1:= INT1/2;
    IF INT1=0 THEN
    EXIT; (* to avoid division by zero *)
    END_IF
    Var1:=Var1/INT1;
    END_FOR
    褰揑NT1绛変簬0鏃讹紝 FOR寰幆缁撴潫銆
    9. RETURN鎸囦护
    杩斿洖鎸囦护锛岀敤浜庢牴鎹竴瀹氭潯浠堕鍑篜OU銆
    渚嬪锛
    IF b=TRUE THEN
    RETURN;
    END_IF
    a := a + 1;
    濡傛灉b涓篢RUE锛屽皢涓嶄細鎵цa := a +1锛岃屾槸鐩存帴閫鍑篜OU銆
    10. JMP鎸囦护
    <label>:
    JMP <label>;
    璺宠浆鎸囦护锛岃烦杞埌label鎵鍦ㄧ殑浣嶇疆鎵ц绋嬪簭銆
    渚嬪锛
    i := 0;
    label: i := i+1;
    ......
    IF i<10 THEN
    JMP label;
    END_IF
    褰搃<10鏃讹紝璺宠浆鍥瀕abel鎵鍦ㄨ锛屾墽琛宨:=i+1銆
    JMP鎸囦护瀹规槗閫犳垚绋嬪簭缁撴瀯娣蜂贡锛岄檷浣庝唬鐮佸彲璇绘э紝涓嶅缓璁娇鐢ㄣ
    +10
    涓嶈禐涓涓紵
    鎵撹祻榧撳姳涓涓嬶紒
    鎵撹祻
    鍥炲

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