官网:https://sqlite.org/download.html
下载代码安装三步走:
./configure // ./configure --help查看安装参数设置,学习configure的配置,明白安装后include、lib、bin等文件的位置 make make install
常用函数:
int sqlite3_open( const char *filename, /* Database filename (UTF-8) */ sqlite3 **ppDb /* OUT: SQLite db handle */ ); typedef int (*sqlite3_callback)( void*, /* Data provided in the 4th argument of sqlite3_exec() */ int, /* The number of columns in row */ char**, /* An array of strings representing fields in the row */ char** /* An array of strings representing column names */ ); int sqlite3_exec( sqlite3*, /* An open database */ const char *sql, /* SQL to be evaluated */ int (*callback)(void*,int,char**,char**), /* Callback function */ void *, /* 1st argument to callback */ char **errmsg /* Error msg written here */ ); int sqlite3_close(sqlite3*);
#include <stdio.h> #include <stdlib.h> #include <sqlite3.h> #define DB_FILENAME "/home/suo/Desktop/sqlite/datadir/sqlite.db" static int flag = 0; static int callback(void *userData, int columnNum, char **columnText, char **columnName) { int index; if (userData && !flag++) { fprintf(stdout, "---------%s------\n", (const char*)userData); for (index=0; index<columnNum; index++) { printf("%s\t", columnName[index]); } printf("\n"); } for(index=0; index<columnNum; index++){ printf("%s\t", columnText[index] ? columnText[index] : "NULL"); } printf("\n"); return 0; } int main(int argc, char* argv[]) { sqlite3 *db; char *zErrMsg = 0; int rc; char *sql; rc = sqlite3_open(DB_FILENAME, &db); if( rc != SQLITE_OK){ fprintf(stderr, "Can‘t open database: %s\n", sqlite3_errmsg(db)); exit(0); }else{ fprintf(stderr, "Opened database successfully\n"); } sql = "CREATE TABLE COMPANY(" "ID INT PRIMARY KEY NOT NULL," "NAME TEXT NOT NULL," "AGE INT NOT NULL," "ADDRESS CHAR(50)," "SALARY REAL);"; rc = sqlite3_exec(db, sql, callback, (void *)sql, &zErrMsg); if(rc != SQLITE_OK){ fprintf(stderr, "SQL error :%s\n", zErrMsg); sqlite3_free(zErrMsg); } else { fprintf(stdout, "Table created successfully\n"); } sql = "INSERT INTO COMPANY(ID, NAME, AGE, ADDRESS, SALARY) " "VALUES(1, ‘Paul‘, 32, ‘California‘, 20000.00); " "INSERT INTO COMPANY(ID, NAME, AGE, ADDRESS, SALARY) " "VALUES(2, ‘Allen‘, 25, ‘Texas‘, 15000.00);" "INSERT INTO COMPANY(ID, NAME, AGE, ADDRESS, SALARY) " "VALUES(3, ‘Teddy‘, 23, ‘Norway‘, 20000.00);" "INSERT INTO COMPANY(ID, NAME, AGE, ADDRESS, SALARY) " "VALUES(4, ‘Mark‘, 25, ‘Rick-Mond‘, 65000.00);"; rc = sqlite3_exec(db, sql, callback, (void *)sql, &zErrMsg); if(rc != SQLITE_OK){ fprintf(stderr, "SQL error: %s", zErrMsg); sqlite3_free(zErrMsg); } else { fprintf(stdout, "Records created successfully\n"); } sql = "SELECT * FROM COMPANY;"; rc = sqlite3_exec(db, sql, callback, (void *)sql, &zErrMsg); if(rc != SQLITE_OK){ fprintf(stderr, "SQL error: %s", zErrMsg); sqlite3_free(zErrMsg); } else { fprintf(stdout, "Select records successfully\n"); } sqlite3_close(db); return 0; }
对应Makefile:
#! /usr/make rm=/bin/rm -f CC = gcc DEFS = PROGNAME = testsqlite INCLUDES = -I /home/suo/Desktop/sqlite/include DEFINES += $(INCLUDES) $(DEFS) CFLAGS = $(DEFINES) -g -Wall -O2 LDFLAGS = SRCS = testsqlite.c OBJS = testsqlite.o LIBS = -L./lib -lsqlite3 .cpp.o: $(rm) $@ $(CC) $(CFLAGS) -c $*.cpp all: $(PROGNAME) $(PROGNAME) : $(OBJS) $(CC) $(CFLAGS) -o $(PROGNAME) $(OBJS) $(LDFLAGS) $(LIBS) clean: $(rm) $(OBJS) $(PROGNAME) core *~
Opened database successfully Table created successfully Records created successfully ---------SELECT * FROM COMPANY;------ ID NAME AGE ADDRESS SALARY 1 Paul 32 California 20000.0 2 Allen 25 Texas 15000.0 3 Teddy 23 Norway 20000.0 4 Mark 25 Rick-Mond 65000.0 Select records successfully
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原文地址:http://blog.csdn.net/callinglove/article/details/24848467