AI问答json数组怎么取指定数组
0
2024-01-13
AI问答json数组怎么取指定数组
0
2024-01-13
AI问答json数组怎么取第一个数组
20
2024-01-13
AI问答更新用户表
0
2024-01-12
AI问答查询数据库
0
2024-01-12
AI问答php难吗？
0
2024-01-12
AI问答请给我一段 php结合html的代码
0
2024-01-12
AI问答php屏蔽访客代码
0
2024-01-12
AI问答php难吗？
0
2024-01-12
AI问答前段学习流程
20
2024-01-12
AI问答如何创建外键
0
2024-01-10
AI问答You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '('学号'),
sname varchar(20) NOT NULL COMMENT('姓名'),什么意思
0
2024-01-10
AI问答CREATE TABLE student(
->
-> sno varchar(10) NOT NULL COMMENT('学号'),
->
-> sname varchar(20) NOT NULL COMMENT('姓名'),
->
-> sex varchar(20) NOT NULL COMMENT('性别'),
->
-> sbirth date NULL COMMENT('出生日期'),
->
-> PRIMARY KEY(sno)
->
-> );
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '('学号'),
sname varchar(20) NOT NULL COMMENT('姓名'),
sex varchar(' at line 3为啥还是这样
0
2024-01-10
AI问答CREATE TABLE student(
->
-> sno varchar(10) NOT NULL COMMENT('学号'),
->
-> sname varchar(20) NOT NULL COMMENT('姓名'),
->
-> sex varchar(20) NOT NULL COMMENT('性别'),
->
-> sbirth date NULL COMMENT('出生日期'),
->
-> PRIMARY KEY(sno)
->
-> );
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '('学号'),
sname varchar(20) NOT NULL COMMENT('姓名'),
sex varchar(' at line 3
0
2024-01-10
AI问答CREATE TABLE student(
-> sno varchar(10)NOT NULL COMMENT(`学号`),
-> sname varchar(20) NOT NULL COMMENT(`学号`),
-> sex varchar(20) NOT NULL COMMENT(`学号`),
-> sbirth date NULL COMMENT(`学号`),
-> PRIMARY KEY(sno)
-> );
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(`学号`),
sname varchar(20) NOT NULL COMMENT(`学号`),
sex varchar(20' at line 2怎么回事
0
2024-01-10
AI问答为什么会有php？
0
2024-01-08
AI问答php是什么？
0
2024-01-08
AI问答学不会php怎么办？
0
2024-01-08
AI问答学不会JAVA
怎么办？
0
2024-01-08
AI问答学不会php怎么办？
0
2024-01-08
AI问答PHP有哪些框架
0
2024-01-07
AI问答学不会php怎么办？
0
2024-01-07
AI问答152316
0
2024-01-06
AI问答显卡驱动有什么用
40
2024-01-05
AI问答为什么会有php？
20
2024-01-05
AI问答PHP学会可以做什么？
0
2024-01-05
AI问答php是什么？
0
2024-01-05
AI问答上面代码中的依赖包时哪一个
0
2024-01-04
AI问答import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.*;
import com.baidu.mapapi.model.LatLng;
import com.baidu.mapapi.utils.CoordinateConverter;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class RealTimeTrackingExample {
private MapView mapView;
private BaiduMap baiduMap;
public static void main(String[] args) {
RealTimeTrackingExample example = new RealTimeTrackingExample();
example.init();
}
private void init() {
// 初始化地图SDK
SDKInitializer.initialize();
// 创建地图显示组件
mapView = new MapView();
baiduMap = mapView.getMap();
// 设置窗口大小和关闭操作
JFrame frame = new JFrame("Real Time Tracking");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500, 500);
frame.getContentPane().add(mapView, BorderLayout.CENTER);
frame.setVisible(true);
// 获取GPS位置信息，这里使用随机数据来模拟
double lon = 113.910805 + Math.random();
double lat = 22.537934 + Math.random();
// 将GPS位置转换为百度地图坐标
CoordinateConverter converter = new CoordinateConverter();
converter.from(CoordinateConverter.CoordType.COMMON);
converter.coord(new LatLng(lat, lon));
LatLng baiduLatLng = converter.convert();
// 设置地图中心点和缩放级别
MapStatus mapStatus = new MapStatus.Builder()
.target(baiduLatLng)
.zoom(16)
.build();
baiduMap.setMapStatus(MapStatusUpdateFactory.newMapStatus(mapStatus));
// 在地图上显示GPS位置
MarkerOptions markerOptions = new MarkerOptions()
.position(baiduLatLng)
.icon(BitmapDescriptorFactory.fromResource(R.drawable.icon_marker));
baiduMap.addOverlay(markerOptions);
}
}
20
2024-01-04
AI问答请问上面代码中的依赖包时哪一个?
20
2024-01-04
AI问答php是什么？
0
2024-01-04
AI问答<?php
include_once './conn.php';
$id = $_POST['id'];
$sql = "DELETE FROM user WHERE id = $id;"; // 添加分号
$conn_stmt=$conn->prepare($sql); // 使用prepare()创建预处理语句
if($conn_stmt->execute()){
echo '删除成功';
}else{
echo'删除失败'.$conn_stmt->error;
}
?>
0
2024-01-03
AI问答<?php
include_once './conn.php';
$id = $_POST['id'];
$sql = "DELETE FROM user WHERE id = $id";
$conn_stmt=$conn->prepare($sql);
if($conn_stmt->execute()){
echo '删除成功';
}else{
echo'删除失败'.$conn_stmt->error;
}
0
2024-01-03
AI问答html登录跳转代码
0
2024-01-03
AI问答Fatal error: Call to a member function execute() on a non-object in C:wampwwwwwwprojectusercontroldelete.php on line 6
0
2024-01-03
AI问答Notice: Undefined index: id in C:wampwwwwwwprojectusercontroldelete.php on line 3
20
2024-01-03
AI问答<tr>
<th scope="row">${e[0]}</th>
<td>${e[1]}</td>
<td>${e[2]}</td>
<td>${e[3]}</td>
<td>${e[4]}</td>
<td>
<from method="post" action="../../control/delete.php">
<button class="del">删除</button>
</from>
<span class="edit">修改</span>
</td>
</tr>点击删除删除数据 写出delete的代码
0
2024-01-03
AI问答<tr>
<th scope="row">${e[0]}</th>
<td>${e[1]}</td>
<td>${e[2]}</td>
<td>${e[3]}</td>
<td>${e[4]}</td>
<td>
<from method="post" action="../../control/delete.php">
<button class="del">删除</button>
</from>
<span class="edit">修改</span>
</td>
</tr>点击删除删除该行数据
0
2024-01-03
AI问答<tr>
<th scope="row">${e[0]}</th>
<td>${e[1]}</td>
<td>${e[2]}</td>
<td>${e[3]}</td>
<td>${e[4]}</td>
<td>
<from method="post" action="../../control/delete.php">
<button class="del">删除</button>
</from>
<span class="edit">修改</span>
</td>
</tr>
0
2024-01-03
AI问答点击删除按钮 删除该行的
所有 数据
0
2024-01-03
AI问答点击删除删除该行所有
数据
0
2024-01-03
AI问答点击删除删除数据
0
2024-01-03
AI问答通过点击删除 删除该行的所有数据
0
2024-01-03
AI问答在表格内运用通过点击删除
删除某行的所有数据
0
2024-01-03
AI问答在表格内运用id
删除某行的所有数据
0
2024-01-03
AI问答在表格内删除某
行 的所有数据
0
2024-01-03
AI问答在表格内删除那行
的所有数据
0
2024-01-03
AI问答HTML转换为PHP再添加删除语句
0
2024-01-03
AI问答<searchBar>自定义组件出错
0
2024-01-01
AI问答学不会php怎么办？
0
2023-12-31
