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int a=4,x=5,y=6,z=7; 
char *sql = " CREATE TABLE SensorData( ID INTEGER PRIMARY KEY,SensorID INTEGER,SiteNum INTEGER,Time VARCHAR(12),SensorParameter REAL);" ; 
sql=sqlite3_mprintf("insert into 'SensorData'(ID,SensorID,SiteNum,Time) values(%d,%d,%d,%d);" ,x,y,z,a); 
就能插入数据, 
但是 
int x=5,y=6,z=7; 
char *a="xiao"; 
char *sql = " CREATE TABLE SensorData(ID INTEGER PRIMARY KEY,SensorID INTEGER,SiteNum INTEGER,Time TEXT,SensorParameter REAL);" ; 
sql=sqlite3_mprintf("insert into 'SensorData'(ID,SensorID,SiteNum,Time) values(%d,%d,%d,%Q);" ,x,y,z,a); 
//就插不进去了 
试了好久都不知道问题出在哪了~ 
楼主能给我看看嘛?? 
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