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python字符串轉(zhuǎn)浮點(diǎn) 怎么把浮點(diǎn)型數(shù)組轉(zhuǎn)成字符串?

怎么把浮點(diǎn)型數(shù)組轉(zhuǎn)成字符串?1、在C語(yǔ)言中,數(shù)字?jǐn)?shù)據(jù)可分為整數(shù)和浮點(diǎn)整數(shù)兩類:char int short long float point:float(單精度)double(雙精度)2。將浮點(diǎn)數(shù)據(jù)轉(zhuǎn)

怎么把浮點(diǎn)型數(shù)組轉(zhuǎn)成字符串?

1、在C語(yǔ)言中,數(shù)字?jǐn)?shù)據(jù)可分為整數(shù)和浮點(diǎn)整數(shù)兩類:char int short long float point:float(單精度)double(雙精度)2。將浮點(diǎn)數(shù)據(jù)轉(zhuǎn)換為字符串char STR[30]//定義一個(gè)字符數(shù)組來(lái)存儲(chǔ)數(shù)據(jù)double D=123.456//定義一個(gè)浮點(diǎn)變量dsprintf(STR,%f”,D)//格式字符串與printf()格式相同,后者需要sprintf(STR,“%”。2F“,d)//保留兩位小數(shù),第三位四舍五入為三位。整數(shù)數(shù)據(jù)被轉(zhuǎn)換成字符串char STR[30]int i=123sprintf(STR,%d”,i)4、在C語(yǔ)言中,當(dāng)0-9之間的數(shù)據(jù)被轉(zhuǎn)換成字符時(shí),字符類型數(shù)據(jù)被存儲(chǔ)時(shí),字符的ASCII值被實(shí)際存儲(chǔ)。從“0”到“9”的字符對(duì)應(yīng)的ASCII值是連續(xù)的,它們的值是48-57。因此,當(dāng)0-9的值轉(zhuǎn)換成字符時(shí),只需加“0”,如char Chinese II=1ch=I“0”printf(”ch=“C ASCII=“d”,ch,ch)//按%C輸出字符1,按%d輸出ASCII值49