整型转字符串
int marketId = 0;
char marketIdArr[5] = "";
snprintf(marketIdArr, sizeof(marketIdArr), "%d", marketId);
string marketIdStr = marketIdArr;
整型转字符串
int marketId = 0;
char marketIdArr[5] = "";
snprintf(marketIdArr, sizeof(marketIdArr), "%d", marketId);
string marketIdStr = marketIdArr;