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jinja2 语法基础

# pycharm 里面 创建 new project -->pure  python 之后选择路径 选择解释器 以及虚拟环境问题from flask import Flask,request,redirect,render_template,jsonify,send_fileapp = Flask(__name__)STUDENT = {
    'name': 'Old', 'age': 38, 'gender': '中'}STUDENT_LIST = [    {
     'name': 'Old', 'age': 38, 'gender': '中'},    {
     'name': 'Boy', 'age': 73, 'gender': '男'},    {
     'name': 'EDU', 'age': 84, 'gender': '女'}]STUDENT_DICT = {    1: {
    'name': 'Old', 'age': 38, 'gender': '中'},    2: {
    'name': 'Boy', 'age': 73, 'gender': '男'},    3: {
    'name': 'EDU', 'age': 84, 'gender': '女'},}@app.route('/') #根目录def index():    return 'Hello Life'@app.route('/stu') #基本字典def stu():    return render_template('index.html',student=STUDENT)@app.route('/stu1') #列表def stu1():    return render_template('index1.html',student=STUDENT_LIST)@app.route('/stu2') #字典def stu2():    return render_template('index2.html',student=STUDENT_DICT)if __name__ == '__main__':    app.run('0.0.0.0',6900,debug=True)

    
          
      
        _____________________________________
      
Welcome to Old Boy EDU : student
      
       {
    { student }}
      
      
           
        
                 
{
    { student.name }}
                 
{
    { student["age"] }}
                 
{
    { student.get("gender") }}
            
       
      
      
        _____________________________________
      
Welcome to Old Boy EDU : student_list
      
       {
    { student_list }}
      
      
           {% for foo in student_list %}        
    {% endfor %}
       
        
                     
{
    { foo }}
                     
{
    { foo.name }}
                     
{
    { foo.get("age") }}
                     
{
    { foo["gender"] }}
                
       
      
      
        _____________________________________
      
Welcome to Old Boy EDU : student_dict
      
       {
    { student_dict }}
      
      
           {% for foo in student_dict %}        
    {% endfor %}
       
        
                     
{
    { foo }}
                     
{
    { student_dict.get(foo).name }}
                     
{
    { student_dict[foo].get("age") }}
                     
{
    { student_dict[foo]["gender"] }}
                
       
      

jinja2 高阶

safe : 此时你与HTML只差一个 safe

后端from flask import Flaskfrom flask import render_templateapp = Flask(__name__)@app.route("/")def index():    tag = ""    return render_template("index.html",tag=tag)app.run("0.0.0.0",5000)