11-Django项目--Ajax请求二
目录
模版:
demo_list.html
perform_list.html
数据库操作:
路由:
视图函数:
Ajax_data.py
perform.py
模版:
demo_list.html

{% extends "index/index.html" %}
{% load static %}
# 未实现修改,删除操作{% block content %}<div class="container"><h1>Ajax演示-one</h1><input type="button" id="button-one" class="btn btn-success" value="点我"><hr><table border="1"><thead><th>一级分类</th><th>二级分类</th><th>名称</th></thead><tbody id="tBody" align="center"></tbody></table><h1>Ajax演示-two</h1><input type="text" id="username" placeholder="请输入账号"><input type="text" id="password" placeholder="请输入账号"><input type="button" id="button-two" class="btn btn-success" value="点我"><hr><h1>Ajax演示-three</h1><form id="form-three"><input type="text" id="name" placeholder="姓名"><input type="text" id="age" placeholder="年龄"><input type="text" id="love" placeholder="爱好"></form><input type="button" id="button-three" class="btn btn-success" value="点我"><hr></div><hr>{# 添加数据 #}<div class="container"><div class="panel panel-warning"><div class="panel-heading"><h3 class="panel-title">任务列表</h3></div><div class="panel-body clearfix"><form id="formAdd">{% for field in form %}<div class="col-xs-6"><label for="">{{ field.label }}</label>{{ field }}<span id="con-msg" style="color: red; position: absolute;margin-left: 80px">{{ field.errors }}</span></div>{% endfor %}<div class="col-xs-12"><button type="button" id="btnAdd" class="btn btn-success">提交</button></div></form></div></div></div>{#展示数据#}<div class="container"><div class="panel panel-danger"><div class="panel-heading"><h3 class="panel-title">任务展示</h3></div><div class="panel-body"><table class="table table-bordered"><thead><tr><th>任务ID</th><th>任务标题</th><th>任务级别</th><th>任务内容</th><th>负责人</th><th>开始时间</th><th>任务状态</th><th>操作</th></tr></thead><tbody>{% for data in queryset %}<tr><th>{{ data.id }}</th><th>{{ data.title }}</th><th>{{ data.get_level_display }}</th><th>{{ data.detail }}</th><th>{{ data.user.name }}</th><th>{{ data.times }}</th><th>{{ data.get_code_display }}</th><th><a href="#">删除</a><a href="#">修改</a></th></tr>{% endfor %}</tbody></table></div></div></div>
{% endblock %}{% block js %}<script>// 函数调用$(function () {bindBtnOne();bindBtnTwo();bindBtnThree();bindBtnEvent();})function bindBtnOne() {// 通过id属性,找见某个标签,之后再点击的时候,触发一个函数$("#button-one").click(function () {//在点击这个按钮的时候,进行一次数据提交$.ajax({// 请求地址url: "/demo/one/",// 请求类型type: "post",// 表单数据data: {type: "text",love: "lanqiu"},// 如果请求成功,则接受后端传输过来的数据success: function (res) {var list = res.list;var htmlStr = "";for (var i = 0; i < list.length; i++) {var emp = list[i]/*<tr><td>水果</td><td>水果</td><td>水果</td></tr>*/htmlStr += "<tr>";htmlStr += "<td>" + emp.prodCat + "</td>"htmlStr += "<td>" + emp.prodPcat + "</td>"htmlStr += "<td>" + emp.prodName + "</td>"htmlStr += "</tr>";// 通过id定位到一个标签,将html内容添加进去document.getElementById("tBody").innerHTML = htmlStr;}}})})}function bindBtnTwo() {// 通过id属性,找见某个标签,之后再点击的时候,触发一个函数$("#button-two").click(function () {//在点击这个按钮的时候,进行一次数据提交$.ajax({// 请求地址url: "/demo/two/",// 请求类型type: "post",// 表单数据data: {username: $("#username").val(),password: $("#password").val()},// 如果请求成功,则接受后端传输过来的数据success: function (res) {alert(res)}})})}function bindBtnThree() {// 通过id属性,找见某个标签,之后再点击的时候,触发一个函数$("#button-three").click(function () {//在点击这个按钮的时候,进行一次数据提交$.ajax({// 请求地址url: "/demo/two/",// 请求类型type: "post",// 表单数据data: $("#form-three").serialize(),// 如果请求成功,则接受后端传输过来的数据success: function (res) {console.log(res)}})})}function bindBtnEvent() {// 通过id属性,找见某个标签,之后再点击的时候,触发一个函数$("#btnAdd").click(function () {// 清空错误信息$("#con-msg").empty();//在点击这个按钮的时候,进行一次数据提交$.ajax({// 请求地址url: "/demo/add/",// 请求类型type: "post",// 表单数据data: $("#formAdd").serialize(),// 如果请求成功,则接受后端传输过来的数据datatype:"JSON",success: function (res) {if(res.status){alert("添加成功");// 刷新页面location.reload();}else {{#console.log(res.error);#}// each 遍历字典error,将键和值给到函数// 将所有的异常,分配带每个框 name是error当中的键,data是error当中的值$.each(res.error, function (name, data) {// 通过id值,找到输入框,将错误信息展示在输入框的附近$("#id_"+name).next().text(data[0])})}}})})}</script>
{% endblock %}
perform_list.html

未做修改.
{% extends "index/index.html" %}{% block content %}<div class="container"><!-- Button trigger modal --><button type="button" class="btn btn-success btn-lg" id="btnAdd">新生入学</button><!-- Modal --><div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" ><div class="modal-dialog" role="document"><div class="modal-content"><div class="modal-header"><button type="button" class="close" data-dismiss="modal" aria-label="Close"><spanaria-hidden="true">×</span></button><h4 class="modal-title" id="myModalLabel">添加信息</h4></div><div class="modal-body"><form id="formAdd"><div class="clearfix">{% for field in form %}<div class="col-xs-6"><label for="">{{ field.label }}</label>{{ field }}<span id="con-msg"style="color: red; position: absolute;margin-left: 80px">{{ field.errors }}</span></div>{% endfor %}</div></form></div><div class="modal-footer"><button type="button" class="btn btn-warning" data-dismiss="modal">Close</button><button type="button" class="btn btn-success" id="btnSave">Save</button></div></div></div></div></div>{# 内容展示 #}<div class="container" style="margin-top: 10px"><div class="panel panel-success"><div class="panel-heading"><h3 class="panel-title">新生列表</h3></div><div class="panel-body"><table class="table table-bordered"><thead><tr><th>ID</th><th>订单号</th><th>来源</th><th>姓名</th><th>日期</th><th>学费</th><th>销售</th><th>操作</th></tr></thead><tbody>{% for data in queryset %}<tr class="success"><th>{{ data.id }}</th><th>{{ data.oid }}</th><th>{{ data.source }}</th><th>{{ data.title }}</th><th>{{ data.times }}</th><th>{{ data.price }}</th><th>{{ data.name }}</th><th><button uid="{{ data.id }}" style="border: none" class="btn btn-danger btn-xs btn-delete">删除</button><button style="border: none" class="btn btn-info btn-xs">修改</button></th></tr>{% endfor %}</tbody></table></div></div></div>{# 删除警告框 #}<div class="modal fade" id="btnDelete" tabindex="-1" role="dialog" aria-labelledby="myModalLabel"><div class="modal-dialog" role="document"><div class="alert alert-danger alert-dismissible fade in" role="alert" style="width: 500px"><h4>你要确认删除吗</h4><p>你要是删了,业绩可就没了</p><p><button type="button" class="btn btn-success" data-dismiss="modal">关闭</button><button type="button" class="btn btn-warning" id="contentDelete">删除</button></p></div></div></div>{% endblock %}{% block js %}<script>var DELETE_ID = undefined;$(function () {bindBtnAdd();bindBtnSave();bindBtnDelete();bindBtnDeleteContent();})function bindBtnAdd() {$("#btnAdd").click(function () {$("#myModal").modal("show")})}function bindBtnSave() {$("#btnAdd").click(function () {$("#btnSave").click(function () {$.ajax({url: "/parform/add/",type: "post",data: $("#formAdd").serialize(),dataType: "JSON",success: function (res) {if (res.status) {// 关闭窗口$("#myModal").modal("hide");location.reload();} else {$.each(res.error, function (name, data) {$("#id_" + name).next().text(data[0])})}}})})})}function bindBtnDelete() {$(".btn-delete").click(function () {$("#btnDelete").modal("show");{#console.log($(this).attr("uid"))#}DELETE_ID = $(this).attr("uid")})}function bindBtnDeleteContent() {$("#contentDelete").click(function () {$.ajax({url:"/parform/delete/",type:"get",dataType: "JSON",data:{uid:DELETE_ID},success:function (res) {if (res.status){$("#btnDelete").modal("hide");//删除对应的tr标签{#$("tr[uid='" + DELETE_ID + "']").remove(),#}location.reload()}}})})}</script>
{% endblock %}
数据库操作:


路由:

视图函数:
Ajax_data.py
# -*- coding:utf-8 -*-
from django.shortcuts import render, redirect, HttpResponse
from django.views.decorators.csrf import csrf_exempt
from demo_one import models
from django.http import JsonResponse
from django import forms
import jsonclass DemoModelFoem(forms.ModelForm):class Meta:model = models.Dempfields = "__all__"widgets = {"detail":forms.TextInput}def __init__(self, *args, **kwargs):super().__init__(*args, **kwargs)for name, field in self.fields.items():field.widget.attrs = {"class": "form-control", "autocomplete": "off"}@csrf_exempt
def demo_list(request):queryset = models.Demp.objects.all()form = DemoModelFoem()content = {"form": form,"queryset": queryset}return render(request, "Ajax-demo/demo_list.html",content)@csrf_exempt
def demo_add(request):form = DemoModelFoem(request.POST)if form.is_valid():form.save()dict_data = {"status": True}return JsonResponse(dict_data)dict_data = {"error": form.errors}return JsonResponse(dict_data)@csrf_exempt
def demo_one(request):dict_data = {"current": 1,"limit": 20,"count": 82215,"list": [{"id": 1623704,"prodName": "菠萝","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "2.0","highPrice": "3.0","avgPrice": "2.5","place": "","specInfo": "箱装(上六下六)","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623703,"prodName": "凤梨","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "3.5","highPrice": "5.5","avgPrice": "4.5","place": "国产","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623702,"prodName": "圣女果","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "4.0","highPrice": "5.0","avgPrice": "4.5","place": "","specInfo": "千禧","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623701,"prodName": "百香果","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "8.0","highPrice": "10.0","avgPrice": "9.0","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623700,"prodName": "九九草莓","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "6.0","highPrice": "12.0","avgPrice": "9.0","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623699,"prodName": "杨梅","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "8.0","highPrice": "19.0","avgPrice": "13.5","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623698,"prodName": "蓝莓","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "25.0","highPrice": "45.0","avgPrice": "35.0","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623697,"prodName": "火龙果","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "7.0","highPrice": "11.0","avgPrice": "9.0","place": "","specInfo": "红","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623696,"prodName": "火龙果","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "5.3","highPrice": "7.3","avgPrice": "6.3","place": "","specInfo": "白","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623695,"prodName": "木瓜","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "4.5","highPrice": "5.0","avgPrice": "4.75","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623694,"prodName": "桑葚","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "6.0","highPrice": "9.0","avgPrice": "7.5","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623693,"prodName": "柠檬","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "3.0","highPrice": "4.0","avgPrice": "3.5","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623692,"prodName": "姑娘果(灯笼果)","prodCatid": 1187,"prodCat": "水果","prodPcatid": 1211,"prodPcat": "其他类","lowPrice": "12.5","highPrice": "25.0","avgPrice": "18.75","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623691,"prodName": "鸭梨","prodCatid": 1187,"prodCat": "水果","prodPcatid": "null","prodPcat": "梨类","lowPrice": "1.8","highPrice": "2.0","avgPrice": "1.9","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623690,"prodName": "雪花梨","prodCatid": 1187,"prodCat": "水果","prodPcatid": "null","prodPcat": "梨类","lowPrice": "1.6","highPrice": "1.8","avgPrice": "1.7","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623689,"prodName": "皇冠梨","prodCatid": 1187,"prodCat": "水果","prodPcatid": "null","prodPcat": "梨类","lowPrice": "2.7","highPrice": "2.8","avgPrice": "2.75","place": "","specInfo": "纸箱","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623688,"prodName": "丰水梨","prodCatid": 1187,"prodCat": "水果","prodPcatid": "null","prodPcat": "梨类","lowPrice": "2.8","highPrice": "3.1","avgPrice": "2.95","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623687,"prodName": "酥梨","prodCatid": 1187,"prodCat": "水果","prodPcatid": "null","prodPcat": "梨类","lowPrice": "2.0","highPrice": "2.5","avgPrice": "2.25","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623686,"prodName": "库尔勒香梨","prodCatid": 1187,"prodCat": "水果","prodPcatid": "null","prodPcat": "梨类","lowPrice": "3.5","highPrice": "5.9","avgPrice": "4.7","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"},{"id": 1623685,"prodName": "红香酥梨","prodCatid": 1187,"prodCat": "水果","prodPcatid": "null","prodPcat": "梨类","lowPrice": "2.5","highPrice": "2.6","avgPrice": "2.55","place": "","specInfo": "","unitInfo": "斤","pubDate": "2024-06-04 00:00:00","status": "null","userIdCreate": 138,"userIdModified": "null","userCreate": "admin","userModified": "null","gmtCreate": "null","gmtModified": "null"}]}# return HttpResponse(json.dumps(dict_data, ensure_ascii=False))return JsonResponse(dict_data)@csrf_exempt
def demo_two(request):print(request.POST)dict_data = {"start": True}return JsonResponse(dict_data)
perform.py
# -*- coding:utf-8 -*-
from django.shortcuts import render,redirect,HttpResponse
from django.views.decorators.csrf import csrf_exempt
from django.http import JsonResponse
from demo_one import models
from datetime import datetime
from django import formsclass PerformModelForm(forms.ModelForm):class Meta:model = models.Performexclude = ["times", "name"]def __init__(self, *args, **kwargs):super().__init__(*args, **kwargs)for name, field in self.fields.items():field.widget.attrs = {"class": "form-control", "autocomplete": "off"}def perform_list(request):form = PerformModelForm()queryset = models.Perform.objects.all()return render(request, "Ajax-demo/perform_list.html", {"form": form, "queryset":queryset})@csrf_exempt
def perform_add(request):form = PerformModelForm(data=request.POST)if form.is_valid():# 自动保存时间和对应的人员form.instance.name = request.session["info"]["username"]form.instance.times = datetime.now().strftime("%Y-%m-%d %H:%M:%S")# print(request.session["info"]["username"])# print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"))form.save()return JsonResponse({"status": True})return JsonResponse({"status": False, "error": form.errors})@csrf_exempt
def perform_delete(request):uid = request.GET.get("uid")exists = models.Perform.objects.filter(id=uid).exists()if not exists:return JsonResponse({"status": False, "error": "数据已被删除"})models.Perform.objects.filter(id=uid).delete()return JsonResponse({"status":True})
相关文章:
11-Django项目--Ajax请求二
目录 模版: demo_list.html perform_list.html 数据库操作: 路由: 视图函数: Ajax_data.py perform.py 模版: demo_list.html {% extends "index/index.html" %} {% load static %} # 未实现修改,删除操作{% block content %}<div class"container…...
代码评审——Java占位符%n的处理
问题描述 在软件开发项目中,特别是在处理动态内容生成与呈现至前端界面的过程中,正确运用占位符以确保文本完整性和数据准确性显得尤为重要。不当的占位符管理不仅可能导致语法错误或逻辑混乱,还会引发一系列隐蔽的问题,这些问题…...
超低排放标准
据朗观视觉小编了解发现,超低排放标准作为衡量一个行业或企业环保水平的重要指标,越来越受到社会各界的关注。本文将深入探讨超低排放标准的内涵、实施意义以及未来展望。 一、超低排放标准的定义 超低排放标准,是指在特定工业生产过程中&am…...
Day15 —— 大语言模型简介
大语言模型简介 大语言模型基本概述什么是大语言模型主要应用领域大语言模型的关键技术大语言模型的应用场景 NLP什么是NLPNLP的主要研究方向word2vecword2vec介绍word2vec的两种模型 全连接神经网络神经网络结构神经网络的激活函数解决神经网络过拟合问题的方法前向传播与反向…...
使用了CDN,局部访问慢,如何排查
如果是局部访问慢,则可从如下角度查看 是否DNS设置错误导致? 个别用户可能存在local DNS设置错误,导致出现跨地域或跨运营商访问。因为CDN的权威DNS是基于用户请求的localDNS来判断所属的地区和运营商,从而将请求引导至对应最近…...
谈谈SQL优化
SQL优化是数据库性能优化中的关键环节,旨在提高查询执行的效率和响应速度。下面是一些常见的SQL优化技巧和策略,涵盖索引、查询设计、表结构设计等方面: 1. 索引优化 创建索引:为常用查询的过滤条件(WHERE 子句&…...
力扣随机一题 6/26 哈希表 数组 思维
博客主页:誓则盟约系列专栏:IT竞赛 专栏关注博主,后期持续更新系列文章如果有错误感谢请大家批评指出,及时修改感谢大家点赞👍收藏⭐评论✍ 题目一: 2869.收集元素的最少操作次数【简单】 题目ÿ…...
自动化办公04 使用pyecharts制图
目录 一、柱状图 二、折线图 三、饼图 四、地图 1. 中国地图 2. 世界地图 3. 省会地图 五、词云 Pyecharts是一个用于数据可视化的Python库。它基于Echarts库,可以通过Python代码生成各种类型的图表,如折线图、柱状图、饼图、散点图等。 Pyecha…...
【Elasticsearch】在es中实现mysql中的FIND_IN_SET查询条件
需求场景: 有个文章表里面有个type字段,它存储的是文章类型,有 1头条、2推荐、3热点、4图文等等 。 商品表中有一个type字段,储存的事商品类型例如:1.热销单品,2.品类TOP10,3.销量榜TOP10等等 它的type字段值很有可能是1,2,3,4 在mysql中实现语句 select * from produc…...
内网一键部署k8s-kubeshpere,1.22.12版本
1.引言 本文档旨在指导读者在内网环境中部署 Kubernetes 集群。Kubernetes 是一种用于自动化容器化应用程序部署、扩展和管理的开源平台,其在云原生应用开发和部署中具有广泛的应用。然而,由于一些安全或网络限制,一些组织可能选择在内部网络…...
Python数据分析第一课:Anaconda的安装使用
Python数据分析第一课:Anaconda的安装使用 1.Anaconda是什么? Anaconda是一个便捷的获取包,并且对包和环境进行管理的虚拟环境工具,Anaconda包括了conda、Python在内的超过180多个包和依赖项 简单来说,Anaconda是包管理器和环境…...
数据结构——
1. 什么是并查集? 在计算机科学中,并查集(英文:Disjoint-set data structure,直译为不数据结构交集)是一种数据结构,用于处理一些不交集(Disjoint sets,一系列没有重复元…...
微信小程序建议录音机
在小程序中实现录音机功能,可以通过使用小程序提供的wx.getRecorderManager() API来获取录音管理对象,然后使用这个对象的start()方法来开始录音,使用stop()方法来停止录音,并使用onStop()方法来监听录音的结束。以下是一个简单的…...
双指针:移动零
题目链接:. - 力扣(LeetCode) 乍一看有点难度,但也是快慢指针的模板。和26. 删除有序数组中的重复项类似,只不过多了一步填充0。 class Solution {public int removeDuplicates(int[] nums) {int fast 1,slow 1;wh…...
图像亮度和对比度的调整
在网上找了很多图像亮度的调整算法,下面是其中一种,可以通过条形框进行调整,并实时的查看对应参数值后的效果。 图像亮度处理公式: y [x - 127.5 * (1 - B)] * k 127.5 * (1 B); x 是输入像素值 y 是输出像素值 B 是亮度值, …...
Linux加固-权限管理_chattr之i和a参数
一、参数i i:如果对文件设置了i属性,不允许对文件进行删除、改名,也不能添加和修改数据;如果对目录设置了i属性,那么只能修改目录下文件的数据,但不允许建立和删除文件。(相当于把文件给锁住了,…...
windows10/win11截图快捷键 和 剪贴板历史记录 快捷键
后知后觉的我今天又学了两招: windows10/win11截图快捷键 按 Windows 徽标键 Shift S。 选择屏幕截图的区域时,桌面将变暗。 默认情况下,选择“矩形模式”。 可以通过在工具栏中选择以下选项之一来更改截图的形状:“矩形模式”…...
上海计算机考研避雷,25考研慎报
上大计算机一直很热 408考研er重来没有让我失望过,现在上大的专业课是11408,按理说,这个专业课的难度是很高的,但是408er给卷出了新高度,大家可以去上大官网看看今年最新的数据,我也帮大家统计了24年最新的…...
第九次作业
BookInfoMapper.xml <?xml version"1.0" encoding"UTF-8"?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace"com.rabbite…...
A股探底回升,跑出惊天大阳,你们知道为什么吗?
今天的A股,探底回升,让人惊呆了,你们知道是为什么吗?盘面上出现3个重要信号,一起来看看: 1、今天A股市场炸锅了,AI人工智能、国产软件、存储芯片迎来了涨停潮,惊呆了,科技…...
UE5 学习系列(二)用户操作界面及介绍
这篇博客是 UE5 学习系列博客的第二篇,在第一篇的基础上展开这篇内容。博客参考的 B 站视频资料和第一篇的链接如下: 【Note】:如果你已经完成安装等操作,可以只执行第一篇博客中 2. 新建一个空白游戏项目 章节操作,重…...
web vue 项目 Docker化部署
Web 项目 Docker 化部署详细教程 目录 Web 项目 Docker 化部署概述Dockerfile 详解 构建阶段生产阶段 构建和运行 Docker 镜像 1. Web 项目 Docker 化部署概述 Docker 化部署的主要步骤分为以下几个阶段: 构建阶段(Build Stage):…...
从WWDC看苹果产品发展的规律
WWDC 是苹果公司一年一度面向全球开发者的盛会,其主题演讲展现了苹果在产品设计、技术路线、用户体验和生态系统构建上的核心理念与演进脉络。我们借助 ChatGPT Deep Research 工具,对过去十年 WWDC 主题演讲内容进行了系统化分析,形成了这份…...
Java如何权衡是使用无序的数组还是有序的数组
在 Java 中,选择有序数组还是无序数组取决于具体场景的性能需求与操作特点。以下是关键权衡因素及决策指南: ⚖️ 核心权衡维度 维度有序数组无序数组查询性能二分查找 O(log n) ✅线性扫描 O(n) ❌插入/删除需移位维护顺序 O(n) ❌直接操作尾部 O(1) ✅内存开销与无序数组相…...
大语言模型如何处理长文本?常用文本分割技术详解
为什么需要文本分割? 引言:为什么需要文本分割?一、基础文本分割方法1. 按段落分割(Paragraph Splitting)2. 按句子分割(Sentence Splitting)二、高级文本分割策略3. 重叠分割(Sliding Window)4. 递归分割(Recursive Splitting)三、生产级工具推荐5. 使用LangChain的…...
镜像里切换为普通用户
如果你登录远程虚拟机默认就是 root 用户,但你不希望用 root 权限运行 ns-3(这是对的,ns3 工具会拒绝 root),你可以按以下方法创建一个 非 root 用户账号 并切换到它运行 ns-3。 一次性解决方案:创建非 roo…...
dify打造数据可视化图表
一、概述 在日常工作和学习中,我们经常需要和数据打交道。无论是分析报告、项目展示,还是简单的数据洞察,一个清晰直观的图表,往往能胜过千言万语。 一款能让数据可视化变得超级简单的 MCP Server,由蚂蚁集团 AntV 团队…...
视频行为标注工具BehaviLabel(源码+使用介绍+Windows.Exe版本)
前言: 最近在做行为检测相关的模型,用的是时空图卷积网络(STGCN),但原有kinetic-400数据集数据质量较低,需要进行细粒度的标注,同时粗略搜了下已有开源工具基本都集中于图像分割这块,…...
【7色560页】职场可视化逻辑图高级数据分析PPT模版
7种色调职场工作汇报PPT,橙蓝、黑红、红蓝、蓝橙灰、浅蓝、浅绿、深蓝七种色调模版 【7色560页】职场可视化逻辑图高级数据分析PPT模版:职场可视化逻辑图分析PPT模版https://pan.quark.cn/s/78aeabbd92d1...
NXP S32K146 T-Box 携手 SD NAND(贴片式TF卡):驱动汽车智能革新的黄金组合
在汽车智能化的汹涌浪潮中,车辆不再仅仅是传统的交通工具,而是逐步演变为高度智能的移动终端。这一转变的核心支撑,来自于车内关键技术的深度融合与协同创新。车载远程信息处理盒(T-Box)方案:NXP S32K146 与…...
