/*
* 导出数据
*/
public function excel_out(){
header("Content-type:text/html");
header("Content-Disposition:attachment;filename=123.xls");
array=this->db->get("city")->result_array();
$str="id\t"."name\t"."pid\n";
foreach(arrayasval){
str.=val['id']."\t".val[′name′]."\t".val['pid']."\n";
}
echo $str;
}
//从excel导入到数据表
public function excel_put(){
//先做一个文件上传，保存文件
path=_FILES['file'];
filePath="uploads/".path["name"];
move_uploaded_file(path["tmpname"],filePath);
//$data=array('B'=>'name','C'=>'pwd','D'=>'money1','E'=>'salt');
$data=array('B'=>'name','C'=>'pid');
$tablename='city2';//表名字
this−>excelfileput(filePath,data,tablename);
}
private function excel_fileput(filePath,data,$tablename){
$this->load->library("phpexcel");//ci框架中引入excel类
$PHPExcel = new PHPExcel();
$PHPReader = new PHPExcel_Reader_Excel2007();
if(!PHPReader−>canRead(filePath)){
$PHPReader = new PHPExcel_Reader_Excel5();
if(!PHPReader−>canRead(filePath)){
echo 'no Excel';
return ;
}
}
// 加载excel文件
PHPExcel=PHPReader->load($filePath);
// 读取excel文件中的第一个工作表
currentSheet=PHPExcel->getSheet(0);
// 取得最大的列号
allColumn=currentSheet->getHighestColumn();
// 取得一共有多少行
allRow=currentSheet->getHighestRow();
// 从第二行开始输出，因为excel表中第一行为列名
for(currentRow=2;currentRow <= allRow;currentRow++){
/**从第A列开始输出*/
//echo $allColumn;
for(currentColumn=′A′;currentColumn<= allColumn;currentColumn++){
val=currentSheet->getCellByColumnAndRow(ord(currentColumn)−65,currentRow)->getValue();
//print_r($val);
//die;
if($currentColumn == 'A')
{
//echo $val."\t";
}else if(currentColumn<=allColumn){
data1[currentColumn]=$val;
}
}
foreach(dataaskey=>$val){
data2[val]=data1[key];
}
this−>db−>insert(tablename,$data2);
//print_r($data2);
//echo "</br>";
}
//echo "\n";
echo "导入成功";
}
