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HomeBackend DevelopmentPython TutorialDjango中几种重定向方法

这里使用的是django1.5

需求: 有一个界面A,其中有一个form B, 前台提交B之后,后台保存数据之后,返回界面A,如果保存失败需要在A界面提示错误。

这里就需要后台的重定向,而且需要可以带着参数,也就是error message
这里收集了几种方法,简答说下需要那些包,怎么简单使用。

一、 使用HttpResponseRedirect

The first argument to the constructor is required – the path to redirect to. This can be a fully qualified URL (e.g.'http://www.yahoo.com/search/') or an absolute path with no domain (e.g. '/search/')。 参数既可以使用完整的url,也可以是绝对路径。

复制代码 代码如下:

from django.http import HttpResponseRedirect 
 
@login_required 
def update_time(request): 
    #pass  ...   form处理 
    return HttpResponseRedirect('/commons/invoice_return/index/')  #跳转到index界面 

如果需要传参数,可以通过url参数
复制代码 代码如下:

return HttpResponseRedirect('/commons/invoice_return/index/?message=error')  #跳转到index界面 

这样在index处理函数中就可以get到错误信息。

二、 redirect和reverse

复制代码 代码如下:

from django.core.urlresolvers import reverse 
from django.shortcuts import redirect 
#https://docs.djangoproject.com/en/1.5/topics/http/shortcuts/ 
 
@login_required 
def update_time(request): 
    #pass  ...   form处理 
    return redirect(reverse('commons.views.invoice_return_index', args=[]))  #跳转到index界面 

redirect 类似HttpResponseRedirect的用法,也可以使用 字符串的url格式 /..inidex/?a=add
reverse 可以直接用views函数来指定重定向的处理函数,args是url匹配的值。 详细请参见文档

三、 其他

其他的也可以直接在url中配置,但是不知道怎么传参数。

复制代码 代码如下:

from django.views.generic.simple import redirect_to

在url中添加 (r'^one/$', redirect_to, {'url': '/another/'}), 

我们甚至可以使用session的方法传值

复制代码 代码如下:

request.session['error_message'] = 'test' 
redirect('%s?error_message=test' % reverse('page_index')) 

这些方式类似于location刷新,客户端重新指定url。
还没找到怎么在服务端跳转处理函数,直接返回response到客户端的方法。

2014-11-13 研究:

是不是之前的想法太死板,重定向,如果需要携带参数,那么能不能直接调用views中 url对应的方法来实现呢,默认指定一个参数。
例如view中有个方法baseinfo_account, 然后另一个url(对应view方法为blance_account)要重定向到这个baseinfo_account。

url中的配置:

复制代码 代码如下:

urlpatterns = patterns('', 
    url(r'^baseinfo/', 'account.views.baseinfo_account'), 
    url(r'^blance/', 'account.views.blance_account'), 


复制代码 代码如下:

@login_required 
def baseinfo_account(request, args=None): 
    ​#按照正常的url匹配这么写有点不合适,看起来不规范 
    ​if args: 
        print args 
    return render(request, 'accountuserinfo.html', {"user": user}) 
 
 
@login_required     
def blance_account(request): 
    return baseinfo_account(request, {"name": "orangleliu"}) 

需要测试为:
1 直接访问 /baseinfo 是否正常 (测试ok)
2 访问 /blance 是否能正常的重定向到 /baseinfo 页面,并且获取到参数(测试ok,页面为/baseinfo 但是浏览器地址栏的url仍然是/blance)

这样的带参数重定向是可行的。

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