change_dem.ec

这是一个使用 informix esql/c 技术开发的银行程序的部分代码。

/*   change_demand   */
#include </u/ebcsav/include/sav.h>
$include sqlca;
$include sqlda;
void addspace();
void addspacef();
void mess();
char y_n();
char readdv();
char readch();
char readst();
void prt_inum();
void prt_dnum();
void prtf_inum();
void prtf_dnum();
void prtf_inte();
double get_rate();
void delay();
short num_time();
#include </u/ebcsav/include/begin>
long k,key_num,key=4691813,key_date=99971231;
short cred_type,i,j,flag,n,ti;
double x;
unsigned char c;
char key_str[13];
char ss[11];
char stn[7];
FILE *pf;
$ char s_num[2],nam[9],ter[2],cu_type[2],cu_type1[2],
  addres[25],statu[2],s_type[2],ope_num[2],lin_num[2];
$ long a_num,pas,cr_num,ope_date,ope_date1,int_date,int_date1,
  las_date,las_date1,b_num;
$ double amoun,amoun1,interes,interes1;
move(0,25);
printw("活 期 储 蓄 帐 户 重 要 修 改");
s_num[1]='\0';
ope_num[0]=op_num;
ope_num[1]='\0';
s_type[1]='\0';
cu_type1[1]='\0';
ter[0]=0;
ter[1]='\0';
pf=fopen("/u/ebcsav/data/sav_sect.dat","r");
fseek(pf,(op.num&0x7f)*34-10,0);
fread(ss,10,1,pf);
fclose(pf);
ss[10]='\0';
for(i=0;i<7;i++)
  if(op.name[i]!='\0')stn[i]=op.name[i]^0xff;
  else stn[i]='\0';
move(2,0);
clrtobot();
block(1,0,22,80);
if(year*10000+month*100+day>key_date)
  {
    move(10,20);
    addstr("修改程序超过使用期限, ");
    mess((short)3);
    getch();
    endwin();
    return;
  }
move(3,6);
addstr("密码:                     ");
readst(key_str,12);
k=key_num=j=0;
for(i=2;i<=11;i++)
  {
    n=key_str[i]-97;
    k+=n;
    j=n-j;
    key_num=key_num*10+j;
  }
i=k/26+97;
j=(k%26)+97;
ti=num_time();
key_num+=(key+(year%100)*1000000+month*10000+day*100+ti/100);
if((op.num&0x80)!=0) s_num[0]=op.num&0x7f;
else
  {
    move(5,6);
    addstr("营业所编号( 按 0 返回):  ");
    readdv(&x,2);
    s_num[0]=x;
    if(s_num[0]==0)
      {
        endwin();
        return;
      }
  }
move(5,6);
addstr("营业所编号:               ");
prt_inum((long)s_num[0],2);
cred_type=op.type&3;
if(cred_type==2) cred_type=11;
if(cred_type==3)
  {
    move(7,6);
    addstr("币种(0:返回, R:人民币, F:外币):");
    c=y_n('0','R','F');
    if(c=='0')
      {
        endwin();
        return;
      }
    cred_type=(c=='R')?1:11;
  }
cred_type++;
move(7,6);
addstr("币种:                     ");
if(cred_type==2) addstr("人民币  ");
else addstr("外币    ");
move(9,6);
addstr("帐号( 按 0 返回 ):  ");
readdv(&x,9);
a_num=x;
if(a_num==0)
  {
    endwin();
    return;
  }
move(9,6);
addstr("帐号:                     ");
prt_inum(a_num,9);
key_num+=a_num;
move(11,6);
addstr("修改项目(0-返回,2-余额,3-开户日,4-起息日,5-最后日,6-币种,8-累计利息: ");
readdv(&x,1);
n=x;
if(n==0)
  {
    endwin();
    return;
  }
ti=num_time();
if((key_num+s_num[0]*10000+cred_type*100+n)!=2100000000||
  i!=key_str[0]||j!=key_str[1])
  {
    move(20,20);
    addstr("密码错, ");
    mess((short)3);
    getch();
    endwin();
    return;
  }
$ database saving;
if(cred_type==2)
  {
    $ select * into $s_num,$a_num,$nam,$pas,$cu_type,$amoun,$addres,
      $cr_num,$ope_date,$int_date,$statu,$las_date,$interes,$lin_num 
      from r_demand where sec_num=$s_num and acc_num=$a_num;
  }
else
  {
    $ select * into $s_num,$a_num,$nam,$pas,$cu_type,$amoun,$addres,
      $cr_num,$ope_date,$int_date,$statu,$las_date,$interes,$lin_num 
      from f_demand where sec_num=$s_num and acc_num=$a_num;
  }
if(sqlca.sqlcode!=0)
  {
    move(20,27);
    mess((short)29);
    mess((short)3);
    getch();
    $ close database;
    endwin();
    return;
  }
amoun1=amoun;
ope_date1=ope_date;
int_date1=int_date;
las_date1=las_date;
cu_type1[0]=cu_type[0];
interes1=interes;
move(2,0);
clrtobot();
block(1,0,22,80);
move(3,10);
addstr("帐    号: ");
move(3,48);
prt_inum((long)s_num[0],2);
addstr("－");
prt_inum(a_num,9);
move(4,10);
addstr("姓    名: ");
move(4,48);
addstr(nam);
move(5,10);
addstr("币    种: ");
move(5,48);
switch(toupper(cu_type[0]))
  {
    case 'C':
      addstr("加拿大元");
      break;
    case 'F':
      addstr("法国法郎");
      break;
    case 'H':
      addstr("港元    ");
      break;
    case 'J':
      addstr("日元    ");
      break;
    case 'M':
      addstr("德国马克");
      break;
    case 'P':
      addstr("英镑    ");
      break;
    case 'R':
      addstr("人民币  ");
      break;
    case 'U':
      addstr("美元    ");
  }
move(7,10);
addstr("余    额: ");
move(7,48);
prt_dnum(amoun,16);
move(8,10);
addstr("地    址: ");
move(8,48);
addstr(addres);
move(9,10);
addstr("凭 证 号: ");
move(9,48);
prt_inum(cr_num,7);
move(10,10);
addstr("开户日期: ");
move(10,48);
printw("%4d年%2d月%2d日",ope_date/10000,(ope_date%10000)/100,ope_date%100);
move(11,10);
addstr("起息日期: ");
move(11,48);
printw("%4d年%2d月%2d日",int_date/10000,(int_date%10000)/100,int_date%100);
move(12,10);
addstr("最后日期: ");
move(12,48);
printw("%4d年%2d月%2d日",las_date/10000,(las_date%10000)/100,las_date%100);
move(13,10);
addstr("累计利息: ");
move(13,48);
printw("%16.4f",interes);
switch(n)
  {
    case 2:
      move(7,20);
      readdv(&x,11);
      amoun1=x;
      move(7,20);
      addspace(11);
      move(7,48);
      prt_dnum(amoun1,16);
      break;
    case 3:
      move(10,20);
      readdv(&x,8);
      ope_date1=x;
      move(10,20);
      addspace(8);
      move(10,48);
      printw("%4d年%2d月%2d日",ope_date1/10000,(ope_date1%10000)/100,
        ope_date1%100);
      break;
    case 4:
      move(11,20);
      readdv(&x,8);
      int_date1=x;
      move(11,20);
      addspace(8);
      move(11,48);
      printw("%4d年%2d月%2d日",int_date1/10000,(int_date1%10000)/100,
        int_date1%100);
      break;
    case 5:
      move(12,20);
      readdv(&x,8);
      las_date1=x;
      move(12,20);
      addspace(8);
      move(12,48);
      printw("%4d年%2d月%2d日",las_date1/10000,(las_date1%10000)/100,
        las_date1%100);
      break;
    case 6:
      flag=0;
      while(flag==0)
        {
          move(17,2);
          if(cred_type==12) addstr("请选择: U-美元  J-日元  H-港元  M-德国马克  P-英镑  F-法国法郎  C-加拿大元");
          else break;
          move(5,20);
          c=readch();
          if(isprint(c)) cu_type1[0]=toupper(c);
          move(5,48);
          switch(cu_type1[0])
            {
              case 'U':
                printw("%-10s","美元    ");
                flag=1;
                break;
              case 'J':
                printw("%-10s","日元    ");
                flag=1;
                break;
              case 'H':
                printw("%-10s","港元    ");
                flag=1;
                break;
              case 'M':
                printw("%-10s","德国马克");
                flag=1;
                break;
              case 'P':
                printw("%-10s","英镑    ");
                flag=1;
                break;
              case 'F':
                printw("%-10s","法国法郎");
                flag=1;
                break;
              case 'C':