
使用insert into table_a(row_a,row_b)values(val_a,val_b)ON DUPLICATE KEY UPDATE rowa=XXX
其中,val_a和XXX都是你随机生成的值,联系重复的的可能性应该比较小
第一步:建立数据库和数据表(按照自己的Excel数据设立字段)。[sql] view plain copy print?
CREATE DATABASE php_excel
USE php_excel
CREATE TABLE IF NOT EXISTS php_excel(
id int(20) NOT NULL AUTO_INCREMENT PRIMARY KEY,
gid varchar(20) NOT NULL,
stu_no varchar(20) NOT NULL,
name varchar(45) NOT NULL,
age int(4) NOT NULL
)ENGINE=MyISAM DEFAULT CHARSET=utf8
第二步:前台index.php文件。
[html] view plain copy print?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/htmlcharset=utf-8" />
<title>phpexcel导入excel数据到MYSQL数据库</title>
</head>
<body>
<form name="frm1" action="insertdb.php" method="post" enctype="multipart/form-data">
<input name="filename" type="file" />
<input name="submit" type="submit" value="import" />
</form>
</body>
</html>
第三步:向数据库插入数据的insertdb.php文件。
[php] view plain copy print?
session_start()
header("Content-type:text/htmlcharset:utf-8")
//全局变量
$succ_result=0
$error_result=0
$file=$_FILES['filename']
$max_size="2000000"//最大文件限制(单位:byte)
$fname=$file['name']
$ftype=strtolower(substr(strrchr($fname,'.'),1))
//文件格式
$uploadfile=$file['tmp_name']
if($_SERVER['REQUEST_METHOD']=='POST'){
if(is_uploaded_file($uploadfile)){
if($file['size']>$max_size){
echo "Import file is too large"
exit
}
if($ftype!='xls'){
echo "Import file type is error"
exit
}
}else{
echo "The file is not empty!"
exit
}
}
require("./conn.php") //连接mysql数据库
//调用phpexcel类库
require_once 'PHPExcel.php'
require_once 'PHPExcel\IOFactory.php'
require_once 'PHPExcel\Reader\Excel5.php'
$objReader = PHPExcel_IOFactory::createReader('Excel5')//use excel2007 for 2007 format
$objPHPExcel = $objReader->load($uploadfile)
$sheet = $objPHPExcel->getSheet(0)
$highestRow = $sheet->getHighestRow()// 取得总行数
$highestColumn = $sheet->getHighestColumn()// 取得总列数
$arr_result=array()
$strs=array()
for($j=2$j<=$highestRow$j++)
{
unset($arr_result)
unset($strs)
for($k='A'$k<= $highestColumn$k++)
{
//读取单元格
$arr_result .= $objPHPExcel->getActiveSheet()->getCell("$k$j")->getValue().','
}
$strs=explode(",",$arr_result)
$sql="insert into php_excel(gid,stu_no,name,age) values ($strs[0],'$strs[1]','$strs[2]',$strs[3])"
echo $sql."<br/>"
mysql_query("set names utf8")
$result=mysql_query($sql) or die("执行错误")
$insert_num=mysql_affected_rows()
if($insert_num>0){
$succ_result+=1
}else{
$error_result+=1
}
}
echo "插入成功".$succ_result."条数据!!!<br>"
echo "插入失败".$error_result."条数据!!!"
其中conn.php代码如下:
[php] view plain copy print?
$mysql=mysql_connect("localhost","root","") or die("数据库连接失败!")
mysql_select_db("php_excel",$mysql)
mysql_query("set names utf8")
我的导入效果如下:
至此,从Excel文件读取数据批量导入到Mysql数据库完成。
<?phpclass MysqlManage{
/*创建数据库,并且主键是aid
* table 要查询的表名
*/
function createTable($table){
$sql="CREATE TABLE IF NOT EXISTS `$table` (`aid` INT NOT NULL primary key)ENGINE = InnoDB"
M()->execute($sql)
$this->checkTable($table)
}
/*
* 检测表是否存在,也可以获取表中所有字段的信息
* table 要查询的表名
* return 表里所有字段的信息
*/
function checkTable($table){
$sql="desc `$table`"
$info=M()->execute($sql)
return $info
}
/*
* 检测字段是否存在,也可以获取字段信息(只能是一个字段)
* table 表名
* field 字段名
*/
function checkField($table,$field){
$sql='desc `$table` $field'
$info=M()->execute($sql)
return $info
}
/*
* 添加字段
* table 表名
* info 字段信息数组 array
* return 字段信息 array
*/
function addField($table,$info){
$sql="alter table `$table` add column"
$sql.=$this->filterFieldInfo()
M()->execute($sql)
$this->checkField($table,$info['name'])
}
/*
* 修改字段
* 不能修改字段名称,只能修改
*/
function editField($table,$info){
$sql="alter table `$table` modify "
$sql.=$this->filterFieldInfo($info)
M()->execute($sql)
$this->checkField($table,$info['name'])
}
/*
* 字段信息数组处理,供添加更新字段时候使用
* info[name] 字段名称
* info[type] 字段类型
* info[length] 字段长度
* info[isNull] 是否为空
* info['default'] 字段默认值
* info['comment'] 字段备注
*/
private function filterFieldInfo($info){
if(!is_array($info))
return
$newInfo=array()
$newInfo['name']=$info['name']
$newInfo['type']=$info['type']
switch($info['type']){
case 'varchar':
case 'char':
$newInfo['length']=empty($info['length'])?100:$info['length']
$newInfo['isNull']=$info['isNull']==1?'NULL':'NOT NULL'
$newInfo['default']=empty($info['default'])?'':'DEFAULT '.$info['default']
$newInfo['comment']=empty($info['comment'])?'':'COMMENT '.$info['comment']
break
case 'int':
$newInfo['length']=empty($info['length'])?7:$info['length']
$newInfo['isNull']=$info['isNull']==1?'NULL':'NOT NULL'
$newInfo['default']=empty($info['default'])?'':'DEFAULT '.$info['default']
$newInfo['comment']=empty($info['comment'])?'':'COMMENT '.$info['comment']
break
case 'text':
$newInfo['length']=''
$newInfo['isNull']=$info['isNull']==1?'NULL':'NOT NULL'
$newInfo['default']=''
$newInfo['comment']=empty($info['comment'])?'':'COMMENT '.$info['comment']
break
}
$sql=$newInfo['name']." ".$newInfo['type']
$sql.=(!empty($newInfo['length']))?($newInfo['length']) .' ':' '
$sql.=$newInfo['isNull'].' '
$sql.=$newInfo['default']
$sql.=$newInfo['comment']
return $sql
}
/*
* 删除字段
* 如果返回了字段信息则说明删除失败,返回false,则为删除成功
*/
function dropField($table,$field){
$sql="alter table `$table` drop column $field"
M()->execute($sql)
$this->checkField($table,$filed)
}
/*
* 获取指定表中指定字段的信息(多字段)
*/
function getFieldInfo($table,$field){
$info=array()
if(is_string($field)){
$this->checkField($table,$field)
}else{
foreach($field as $v){
$info[$v]=$this->checkField($table,$v)
}
}
return $info
}
}
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