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我在这个程序中遇到了一些严重的麻烦。 我需要从一个文件中读取数据,这个文件有一组名和姓,一个cookie类型,购买金额,成本以及是否支付。从文件读取变量并将它们存储在结构中 - C
我相当有信心,我的功能是正确的。
当我运行该程序时,它运行正常,但在某些数字之间看起来会有额外的数字。我的意思是,如果输入的文件是: 约翰绿薄荷1 1.00是 简蓝筹2 2.00ñ 输出文件将是这样的: 约翰·格林12 20000薄荷455 1等等
有任何想法吗?我猜我读了文件/将它们存储到结构中。
#include <stdio.h>
#include <ctype.h>
/*structure definition*/
struct customer{
char first[12], last[12], type[10], paid;
int boxes;
float cost;
};
/*prototypes*/
void readCustomerData(FILE*, struct customer[]);
void printCustomerData(FILE*, int, struct customer[]);
float moneyReceived(int, struct customer[]);
int custWhoOwe(int, struct customer[]);
float moneyOutstanding(int, struct customer[]);
int moneyReceivedPercent(int, struct customer[]);
int main(){
int numCustomers;
float money, money2;
int cust, perc;
FILE*input;
FILE*output;
input = fopen("custInfo.txt", "r");
output = fopen("output.txt", "w");
fscanf(input, "%d", &numCustomers);
struct customer customerData[numCustomers];
readCustomerData(input, customerData);
printCustomerData(output, numCustomers, customerData);
fprintf(output, "Summary:\n\n");
money = moneyReceived(numCustomers, customerData);
fprintf(output, "Total Cash Received: $%.2f\n\n", money);
cust = custWhoOwe(numCustomers, customerData);
fprintf(output, "Num customers who have not paid: %d\n\n", cust);
money2 = moneyOutstanding(numCustomers, customerData);
fprintf(output, "Total Amount Outstanding: $%.2f\n\n", money2);
perc = moneyReceivedPercent(numCustomers, customerData);
fprintf(output, "Percentage of Sales outstanding: %d%%\n\n", perc);
fclose(input);
fclose(output);
return 0;
}
void readCustomerData(FILE*file, struct customer cdata[]){
int numCustomers, i;
file = fopen("custInfo.txt", "r");
fscanf(file, "%d", &numCustomers);
for (i=0; i<numCustomers; i++){
fscanf(file, "%s%s%s%d%f%c", &cdata[i].first, &cdata[i].last, &cdata[i].type, &cdata[i].boxes, &cdata[i].cost, &cdata[i].paid);
}
fclose(file);
}
void printCustomerData(FILE*file, int num, struct customer cdata[]){
int i;
fprintf(file, "Customers:\n\n");
fprintf(file, "Name\t\tType of Cookie\t\tNum of Boxes\tCost of Box\tPaid\n");
fprintf(file, "--------------------------------------------------------------------------------\n\n");
for (i=0; i<num; i++){
fprintf(file, "%s %s\t", cdata[i].first, cdata[i].last);
fprintf(file, "%s\t\t", cdata[i].type);
fprintf(file, "%d\t\t", cdata[i].boxes);
fprintf(file, "$%.2f\t\t", cdata[i].cost);
fprintf(file, "%c", cdata[i].paid);
fprintf(file, "\n\n");
}
fprintf(file, "\n\n\n\n\n");
}
float moneyReceived(int num, struct customer cdata[]){
int i, sum=0;
for (i=0; i<num; i++){
if(cdata[i].paid=='Y'){
sum= sum+(cdata[i].cost*cdata[i].boxes);}
}
return sum;
}
int custWhoOwe(int num, struct customer cdata[]){
int count=0, i;
for (i=0; i<num; i++){
if (cdata[i].paid=='N'){
count++;}
}
return count;
}
float moneyOutstanding(int num, struct customer cdata[]){
int i, sum=0;
for (i=0; i<num; i++){
if (cdata[i].paid=='N'){
sum= sum+(cdata[i].cost*cdata[i].boxes);}
}
return sum;
}
int moneyReceivedPercent(int num, struct customer cdata[]){
int answ;
float money, moneyOut;
money = moneyReceived(num, cdata);
moneyOut = moneyOutstanding(num, cdata);
answ=(moneyOut/money)*100;
return answ;
}
'fscanf(file,“%s%s%s%d%f%c”,' - >'fscanf(file,“%s%s%s%d%f%c”, '在%c之前添加空格 – chux
上帝的甜妈你真是太好了谢谢你!! – AwesomeSauce
这是为什么呢?btw – AwesomeSauce