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资源说明：Symphony 2 extension: Lets you add URL parameters to event redirects
# Dynamic Event Redirect # ## Description ## Adds an event and an event filter that allows you to build up a combination of both URL and GET parameters from POST data to append to your form redirects. ## Usage ## ### Standlone Event ### 1. Attach the 'Dynamic Event Redirection' event to your desired page. 2. Add any combination of the options listed below: ### Event Filter ### 1. Attach the 'Dynamic Event Redirection' filter to your desired event. 2. Add any combination of the options listed below: ## Options ## ### URL Parameters ### To use URL parameters in your redirect output, you need to add a hidden input field to your form with the name `der-url-params` and set its value as a `/` seperated list of parameters you wish to include. Like so: The example above would result in the following URL: `http://amazon.com/books-and-magazines/1234/`. If a parameter isn't set in the POST data its key (i.e., `category` in the example above) will be used in its place. ### GET Parameters ### You can use GET parameters with or without URL parameters. The usage is pretty much the same: add a hidden input field to your form that has the name `der-params` and set its value to a comma separated list of parameters you wish to include. Like so: The would result in the user being redirected to: `http://amazon.com/?category=books-and-magazines&book-id=1234`. ## Things to note ## * You'll need to specify a redirect URL, else the filter won't do anything. * Entry fields have priority over normal POST data. That is, data from the `fields[]` array will be used in place of identically named indexes from the POST data. * When using as a filter, you can pass on the ID of the entry you're creating by adding `id` to your list of params. * You can also output values directly by using key:value pairs in the `der-params` value. * Does not work with events with 'Allow multiple' filters, requires some changes to the core. * If you're using Rowan's [Clean URL Params](http://overture21.com/forum/comments.php?DiscussionID=795) extension you can set the output to use clean syntax by adding the following to your form: ## To do ## * Make work with 'Allow multiple' * Change `id` to `system:id`
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