101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
#include "main.h"
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void printResult(MYSQL * mysqlPrint) // 打印结果集(此处传入指针，而非内容)
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{
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MYSQL_RES *result;
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int i;
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int numFields = 0;
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int numRows = 0;
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MYSQL_FIELD *field;
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MYSQL_ROW row;
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result = mysql_store_result(mysqlPrint); // 将查询的全部结果读取到客户端
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numFields = mysql_num_fields(result); // 统计结果集中的字段数
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numRows = mysql_num_rows(result); // 统计结果集的行数
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while ((field = mysql_fetch_field(result))) // 返回结果集中的列信息(字段)
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printf("%s\t", field->name);
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printf("\n");
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if (result) {
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while ((row = mysql_fetch_row(result))) // 返回结果集中行的记录
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{
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for (i = 0; i < numFields; i++) {
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printf("%s\t", row[i]);
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}
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printf("\n");
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}
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}
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mysql_free_result(result); // 释放result空间
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}
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int main(int argc, char *argv[], char **env)
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{
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FILE *fp;
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char temperature[BUFFER];
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char time[BUFFER];
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char dht11[BUFFER];
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char sql_insert[BUFFER];
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char system[BUFFER];
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fp = NULL;
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bzero(temperature, 0);
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bzero(time, 0);
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bzero(dht11, 0);
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bzero(sql_insert, 0);
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bzero(system, 0);
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fp = popen("/root/gpio/wind -d 28", "r");
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fgets(temperature, sizeof(temperature), fp);
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temperature[strlen(temperature) - 1] = 0;
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fp = popen("date '+%y%m%d%H%M%S'", "r");
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fgets(time, sizeof(time), fp);
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time[strlen(time) - 1] = 0;
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pclose(fp);
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fp = popen("/root/gpio/dht11 29", "r");
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fgets(dht11, sizeof(dht11), fp);
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dht11[strlen(dht11) - 1] = 0;
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printf("%s\n", dht11);
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pclose(fp);
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fp = popen("getcpudata | xargs", "r");
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fgets(system, sizeof(system), fp);
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system[strlen(system) - 1] = 0;
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printf("%s\n", system);
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pclose(fp);
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sprintf(sql_insert, "INSERT INTO temperature (time, temperature, dht11, SYSTEM) VALUES ('%s', '%s', '%s', '%s');", time, temperature, dht11, system);
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puts(sql_insert);
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MYSQL mysql;
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mysql_init(&mysql);
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if (mysql_real_connect(&mysql, "git.aixiao.me", "root", "198", "mysql", 3306, NULL, 0)) {
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;
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} else {
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fprintf(stderr, "Connect failed:\n");
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if (mysql_errno(&mysql)) {
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printf("\terror code is %d\n\treason:%s\n", mysql_errno(&mysql), mysql_error(&mysql));
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}
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goto shutdown;
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}
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if (0 != mysql_set_character_set(&mysql, "utf8"))
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{
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perror("mysql_set_character_set");
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}
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mysql_query(&mysql, "use raspberrypi;");
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mysql_query(&mysql, sql_insert);
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mysql_query(&mysql, "select *from temperature;");
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//printResult(&mysql);
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shutdown:
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mysql_close(&mysql);
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return 0;
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}
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