⑴ VB涓鐨剗nt鎸囩殑鏄浠涔
VB涓璱nt鎸囩殑鏄鍐呯疆鐨勫嚱鏁板皢鏈夊皬鏁扮殑鏁 鐩存帴鍘繪帀灝忔暟鐒跺悗鍙嶅洖鍏舵暣 鏁板傛灉鎸囩殑鏄鏁版嵁綾誨瀷 鍒欐槸鎸噄nteger 鏄鏁村瀷 錛屼笉甯﹀皬鏁幫紝鍙栧叾浠-32768鍒32767 濡俛=int(5.5555) 鍒橝=5
⑵ 鍏充簬VB鏁版嵁綾誨瀷
涓銆佹暟鎹綾誨瀷姒傝堪
鏁版嵁:璁＄畻鏈鴻兘澶熷勭悊鏁板箋佹枃瀛椼佸０闊熾佸浘褰銆佸浘鍍忕瓑淇℃伅錛屽潎縐頒負鏁版嵁銆
鏁版嵁綾誨瀷:鏍規嵁鏁版嵁鎻忚堪淇℃伅鐨勫惈涔夛紝灝嗘暟鎹鍒嗕負涓嶅悓鐨勭嶇被錛屽規暟鎹縐嶇被鐨勫尯鍒嗚勫畾錛岀О涓烘暟鎹綾誨瀷銆傛暟鎹綾誨瀷鐨勪笉鍚岋紝鍒欏湪鍐呭瓨涓鐨勫瓨鍌ㄧ粨鏋勪篃涓嶅悓錛屽崰鐢ㄧ┖闂翠篃涓嶅悓
VB鐨勫熀鏈鏁版嵁綾誨瀷錛
鏁板煎瀷鏁版嵁 錛堜富瑕佹暟鎹綾誨瀷錛 鏃ユ湡鍨 瀛楄妭鍨
璐у竵鍨 閫昏緫鍨 瀛楃︿覆鍨 瀵硅薄鍨 鍙樹綋鍨
浜屻 鏁板兼暟鎹綾誨瀷
鏁板肩被鍨嬪垎涓烘暣鏁板瀷鍜屽疄鏁板瀷涓ゅぇ綾匯
1銆佹暣鏁板瀷
鏁存暟鍨嬫槸鎸囦笉甯﹀皬鏁扮偣鍜屾寚鏁扮﹀彿鐨勬暟銆
鎸夎〃紺鴻寖鍥存暣鏁板瀷鍒嗕負錛氭暣鍨嬨侀暱鏁村瀷
錛1錛夋暣鍨嬶紙Integer錛岀被鍨嬬%錛
鏁村瀷鏁板湪鍐呭瓨涓鍗犱袱涓瀛楄妭錛16浣嶏級
鍗佽繘鍒舵暣鍨嬫暟鐨勫彇鍊艱寖鍥達細-32768 ~ +32767
渚嬪傦細15錛-345錛654%閮芥槸鏁存暟鍨嬨傝45678%鍒欎細鍙戠敓婧㈠嚭閿欒銆
錛2錛夐暱鏁村瀷錛圠ong錛岀被鍨嬬&錛
闀挎暣鏁板瀷鍦ㄥ唴瀛樹腑鍗4涓瀛楄妭錛32浣嶏級銆
鍗佽繘鍒墮暱鏁村瀷鏁扮殑鍙栧艱寖鍥達細
-2147483648 ~ +2147483647
渚嬪傦細123456錛45678&閮芥槸闀挎暣鏁板瀷銆
2銆佸疄鏁板瀷錛堟誕鐐規暟鎴栧疄鍨嬫暟錛
瀹炴暟鍨嬫暟鎹鏄鎸囧甫鏈夊皬鏁伴儴鍒嗙殑鏁般
娉ㄦ剰錛氭暟12鍜屾暟12.0瀵硅＄畻鏈烘潵璇存槸涓嶅悓鐨勶紝鍓嶈呮槸鏁存暟錛堝崰2涓瀛楄妭錛夛紝鍚庤呮槸嫻鐐規暟錛堝崰4涓瀛楄妭錛
瀹炴暟鍨嬫暟鎹鍒嗕負嫻鐐規暟鍜屽畾鐐規暟銆
嫻鐐規暟鐢變笁閮ㄥ垎緇勬垚錛氱﹀彿錛屾寚鏁板拰灝炬暟銆
鍦╒B涓嫻鐐規暟鍒嗕負涓ょ嶏細
鍗曠簿搴︽誕鐐規暟錛 Single 錛
鍙岀簿搴︽誕鐐規暟錛 Double 錛
錛1錛夊崟綺懼害鏁(Single錛岀被鍨嬬︼紒)
鍦ㄥ唴瀛樹腑鍗4涓瀛楄妭錛32浣嶏級錛,鏈夋晥鏁板瓧錛7浣嶅嶮榪涘埗鏁
鍙栧艱寖鍥達細璐熸暟 -3.402823E+38 ~ -1.401298E-45
姝ｆ暟 1.401298E-45 ~ 3.402823E+38
鍦ㄨ＄畻鏈虹▼搴忛噷闈涓嶈兘鏈変笂鏍囦笅鏍囩殑鍐欐硶錛屾墍浠ヤ箻騫傞噰鐢ㄧ殑鏄涓縐嶇О涓虹戝﹁℃暟娉曠殑琛ㄨ揪鏂規硶
榪欓噷鐢‥鎴栬卐琛ㄧず10鐨勬℃柟(E/e澶у皬鍐欓兘鍙浠ワ級
姣斿傦細1.401298E-45琛ㄧず1.401298鐨10鐨勮礋45嬈℃柟
vb閲岄潰鍙浠ヨ繖鏍瘋〃紺猴細8.96E-5
渚嬶細21e5錛堟ｅ彿鐪佺暐錛夎〃紺猴細
21涔樹互10鐨5嬈℃柟鐨勪竴涓鍗曠簿搴︽暟
錛2錛 鍙岀簿搴︽暟錛圖ouble,綾誨瀷絎︼純錛
Double綾誨瀷鏁版嵁鍦ㄥ唴瀛樹腑鍗犵敤8涓瀛楄妭錛64浣嶏級
Double鍨嬪彲浠ョ簿紜鍒15鎴16浣嶅嶮榪涘埗鏁幫紝鍗15鎴16浣嶆湁鏁堟暟瀛椼
鍙栧艱寖鍥達細
璐熸暟錛 鈥1.797693134862316D+308 ~ -4.94065D-324
姝ｆ暟錛 4.94065D-324 ~ 1.797693134862316D+308
姣斿17.88D5錛岃〃紺哄畠鏄涓涓鍙岀簿搴︽暟錛岃〃紺17.88涔樹互10鐨5嬈℃柟
榪欓噷鐢―鏉ヨ〃紺10鐨勬℃柟
浜屻 璐у竵鍨(Currency錛岀被鍨嬬@)
涓昏佺敤鏉ヨ〃紺鴻揣甯佸,鍦ㄥ唴瀛樹腑鍗8涓瀛楄妭錛64浣嶏級錛
鏁存暟閮ㄥ垎涓15浣,鍙浠ョ簿紜鍒板皬鏁扮偣鍚4浣嶏紝絎浜斾綅鍥涜垗浜斿叆錛涘睘浜庡畾鐐瑰疄鏁
璐у竵鍨嬫暟鎹鐨勫彇鍊艱寖鍥達細
-922337203685447. 5808 ~ 922337203685447. 5807
璺熸誕鐐規暟鐨勫尯鍒錛氬皬鏁扮偣鍚庣殑浣嶆暟鏄鍥哄畾鐨勶紝4浣
渚嬪傦細3.56@ 銆 65.123456@閮芥槸璐у竵鍨嬨
涓夈 瀛楄妭鍨嬶紙Byte,鏃犵被鍨嬬︼級
涓鑸鐢ㄤ簬瀛樺偍浜岃繘鍒舵暟銆
瀛楄妭鍨嬫暟鎹鍦ㄥ唴瀛樹腑鍗1涓瀛楄妭錛8浣嶏級銆
瀛楄妭鍨嬫暟鎹鐨勫彇鍊艱寖鍥達細0 ~ 255
鍥涖 鏃ユ湡鍨嬶紙Date錛
鍦ㄥ唴瀛樹腑鍗犵敤8涓瀛楄妭錛屼互嫻鐐規暟褰㈠紡瀛樺偍銆
鏃ユ湡鍨嬫暟鎹鐨勬棩鏈熻〃紺鴻寖鍥翠負錛
100騫1鏈1鏃~9999騫12鏈31鏃
鏃ユ湡鍨嬫暟鎹鐨勬椂闂磋〃紺鴻寖鍥翠負錛
00:00:00 ~ 23:59:59
鐢#鎷璧鋒潵鏀劇疆鏃ユ湡鍜屾椂闂達紝鍏佽哥敤鍚勭嶈〃紺烘棩鏈熷拰鏃墮棿鐨勬牸寮忋
鏃ユ湡鍙浠ョ敤鈥/鈥濄佲滐紝鈥濄佲-鈥濆垎闅斿紑錛屽彲浠ユ槸騫淬佹湀銆佹棩錛屼篃鍙浠ユ槸鏈堛佹棩銆佸勾鐨勯『搴忋傛椂闂村繀欏葷敤鈥滐細鈥濆垎闅旓紝欏哄簭鏄錛氭椂銆佸垎銆佺掋
渚嬶細
#09/10/2000# 鎴 #2000-09-12#
#08:30:00 AM#
#09/10/2000 08:30:00 AM#
渚嬶細
Dim mylab As Date
mylab = #9/3/2001 11:35:00 AM#
Time = mylab
鍦╒B涓浼氳嚜鍔ㄨ漿鎹㈡垚mm/dd/yy錛堟湀/鏃/騫達級鐨勫艦寮忋
浜斻 閫昏緫鍨嬶紙Boolean錛
閫昏緫鍨嬫暟鎹鍦ㄥ唴瀛樹腑鍗2涓瀛楄妭銆
閫昏緫鍨嬫暟鎹鍙鏈変袱涓鍙鑳界殑鍊礆細
True錛堢湡錛 False錛堝亣錛
鑻ュ皢閫昏緫鍨嬫暟鎹杞鎹㈡垚鏁板煎瀷錛屽垯:
True錛堢湡錛変負 鈥1 False錛堝亣錛変負 0
褰撴暟鍊煎瀷鏁版嵁杞鎹涓築oolean鍨嬫暟鎹鏃訛細
闈0鐨勬暟鎹杞鎹涓簍rue,0涓篺asle銆
鍏銆佸瓧絎︿覆( String 錛岀被鍨嬬$)
瀛楃︿覆鏄涓涓瀛楃﹀簭鍒楋紝蹇呴』鐢ㄥ弻寮曞彿鎷璧鋒潵
璇存槑錛
鍙屽紩鍙蜂負鍒嗙晫絎︼紝杈撳叆鍜岃緭鍑烘椂騫朵笉鏄劇ず銆
瀛楃︿覆涓鍖呭惈瀛楃︾殑涓鏁扮О涓哄瓧絎︿覆闀垮害銆
闀垮害涓洪浂鐨勫瓧絎︿覆縐頒負絀哄瓧絎︿覆錛屾瘮濡傗溾濓紝寮曞彿閲岄潰娌℃湁浠諱綍鍐呭
瀛楃︿覆涓鍖呭惈鐨勫瓧絎﹀尯鍒嗗ぇ灝忓啓銆
瀛楃︿覆鍙鍒嗕負鍙橀暱瀛楃︿覆鍜屽畾闀垮瓧絎︿覆涓ょ嶃
錛1錛.鍙橀暱瀛楃︿覆(闀垮害涓哄瓧絎︿覆闀垮害)
渚嬶細dim a as string
a="123" a="456789鈥
錛2錛.瀹氶暱瀛楃︿覆錛堥暱搴︿負瑙勫畾闀垮害錛
瀵逛簬瀹氶暱瀛楃︿覆錛屽綋瀛楃﹂暱搴︿綆浜庤勫畾闀垮害錛屽嵆鐢ㄧ┖鏍煎～婊★紝褰撳瓧絎﹂暱搴﹀氫簬瑙勫畾闀垮害錛屽垯鎴鍘誨氫綑鐨勫瓧絎︺
渚嬶細dim a as string * 10
涓冦佸硅薄鏁版嵁綾誨瀷(Object )
瀵硅薄鍨嬫暟鎹鍦ㄥ唴瀛樹腑鍗犵敤4涓瀛楄妭銆傜敤浠ュ紩鐢ㄥ簲鐢ㄧ▼搴忎腑鐨勫硅薄銆
鍏銆佸彉浣撴暟鎹綾誨瀷(Variant )
鍙樹綋鏁版嵁綾誨瀷鏄涓縐嶇壒孌婃暟鎹綾誨瀷錛屽叿鏈夊緢澶х殑鐏墊椿鎬э紝鍙浠ヨ〃紺哄氱嶆暟鎹綾誨瀷錛屽叾鏈緇堢殑綾誨瀷鐢辮祴浜堝畠鐨勫兼潵紜瀹氥
涔濄佺敤鎴瘋嚜瀹氫箟綾誨瀷
濡傛灉鎴戞兂鍚屾椂璁板綍涓涓瀛︾敓鐨勫﹀彿銆佸撳悕銆佹у埆銆佹誨垎錛岄偅涔堟垜鍙浠ョ敤鑷瀹氫箟綾誨瀷銆
鐢ㄦ埛鑷瀹氫箟綾誨瀷鐗圭偣錛氳繖縐嶇被鍨嬬殑鏁版嵁鐢辮嫢騫蹭釜涓嶅悓綾誨瀷鐨勫熀鏈鏁版嵁緇勬垚銆
鑷瀹氫箟綾誨瀷鐢盩ype璇鍙ユ潵瀹炵幇錛
鏍煎紡錛歍ype 鑷瀹氫箟綾誨瀷鍚
鍏冪礌鍚1 As 綾誨瀷鍚
鍏冪礌鍚2 As 綾誨瀷鍚
鈥︹
鍏冪礌鍚峮 As 綾誨瀷鍚
End Type
Type鏄璇鍙ュ畾涔夌︼紝鍛婅瘔VB鐜板湪瑕佸畾涔変竴涓鏁版嵁綾誨瀷錛屾槸vb鐨勫叧閿瀛楋紱鍏跺悗鐨勮嚜瀹氫箟綾誨瀷鍚嶆槸瑕佸畾涔夌殑璇ユ暟鎹綾誨瀷鐨勫悕縐幫紝鐢辯敤鎴風『瀹氾紱end type琛ㄧず綾誨瀷瀹氫箟緇撴潫錛涜嚜瀹氫箟綾誨瀷鍚嶆槸緇勬垚璇ユ暟鎹綾誨瀷鐨勫彉閲忕殑鍚嶇О
渚嬶細
Type Student
Num As Long 鈥樺﹀彿
Name As String*10 鈥樺撳悕錛岀敤闀垮害涓10鐨勫畾闀垮瓧絎︿覆鏉ュ瓨鍌
Sex As String*5 鈥樻у埆錛岀敤闀垮害涓5鐨勫畾闀垮瓧絎︿覆鏉ュ瓨鍌
Score As Single 鈥樺緱鍒嗭紝鐢ㄥ崟綺懼害鏁版潵瀛樺偍
End Type
涓鑸鍦ㄦ爣鍑嗘ā鍧楅噷闈㈠畾涔夛紝濡傛灉鍙鎯沖湪紿椾綋閲岄潰瀹氫箟錛屽垯鍓嶉潰蹇呴』鍔犱笂Private錛岃〃紺鴻ョ被鍨嬪彧瀵規湰紿椾綋鏈夋晥錛屽叾浠栫獥浣撴棤娉曞畾涔夎ョ被鍨嬬殑鍙橀噺銆
瀹氫箟浜哠tudent綾誨瀷涔嬪悗錛屾垜浠灝卞彲浠ュ畾涔塖tudent綾誨瀷鐨勫彉閲忎簡錛屾瘮濡傦細 Dim Stu As Student