第(2/6)节 x3)  4))                out+=bse64endechrschrat((c20xf)  2)            out+=bse64endechrschrat(((c10x3)  4))            out+=bse64endechrschrat(((c20xf)  6))            out+=bse64endechrschrat(c30x3f)        }        returnout    }    functo e64dede(str){        vrc1,c2,c3,c4        vr,len,out        len=strlength        =0        out=””                  do{                c3=strchrdeat(++)0xff                f(c3==61)returnout                c3=bse64dedechrs[c3]            }          do{                c4=strchrdeat(++)0xff                f(c4==61)returnout                c4=bse64dedechrs[c4]            }              out+=strgfro(0x80|((c6)0x3f))                out+=strgfro(0x80|((c0)0x3f))            }else{                out+=strgfro(0xc0|((c6)0x1f))                out+=strgfro(0x80|((c0)0x3f))            }        }        returnout    }    functonutf8to16(str){        vrout,,len,c        vrchr2,chr3        out=””        len=strlength        =0                 cse0:            cse1:            cse2:            cse3:            cse4:            cse5:            cse6:            cse7:                out+=strchrat(-1)

    ek            cse12:            cse13:                ch
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