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解决jinja2和angular的花括号{{}}冲突的方法。

2015-02-17 12:02 363 查看

一共3个方法，

A、http://flask-triangle.readthedocs.org/en/develop/tutorial/part1.html

上代码

app.py

from flask import Flask, render_template
from flask.ext.triangle import Triangle

app = Flask(__name__, static_path='/static')
Triangle(app)

@app.route('/')def index():
return render_template('index.html')if __name__ == '__main__':
app.run()

templates/index.html:

<!DOCTYPE html>
<html data-ng-app>
<head>
<meta charset="utf-8">
<script src="/static/js/angular.min.js"></script>
<title>Flask-Triangle - Tutorial</title>
</head>
<body>
<label>Name:</label>
<input type="text" data-ng-model="yourName" placeholder="Enter a name here">
<hr>
<h1>Hello {{yourName|angular}}!</h1>
</body>
</html>

B、C都是这里的：http://lorenhoward.com/blog/how-to-get-angular-to-work-with-jinja/

B、通过 verbatim 来暂停jinja2的解析

{% raw %}
<h1 class="user-name">{{ user.name }}</h1>
{% endraw %}

C、修改angular的符号

On the front end, after instantiating our Angular app, we can tell Angular to look for different binding tags (instead of '{{' and '}}').

var app = angular.module('myApp', []);

app.config(['$interpolateProvider', function($interpolateProvider) {
$interpolateProvider.startSymbol('{[');
$interpolateProvider.endSymbol(']}');
}]);

The above code snippet tells angular to look for '{[' as a an opening tag, and ']}' for a closing tag.

Now we can use both Angular and Jinja together at the same time:

<h1 class="{{ some_class }}">{[ foo.bar ]}</h1>

As one can see, the h1 element's class will be rendered in the backend via Jinja and Flask / Django. When it's sent to the browser, it might look like this:

<h1 class="some-class">{[ foo.bar ]}</h1>

From there, Angular will see that '{[ foo.bar ]}' should be a binding and will update the view accordingly.

我的项目用angular比较少，所以我选择了B。

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