Ruby / Rails :: Using link_to

UsingLink_To1.rb

# Simplest form:
<%= link_to "Home", root_path %>
# => <a href="/">Home</a>


# Linking to a resource:
<%= link_to "Profile", user_path(@user) %>
# => <a href="/users/1">Profile</a>


# Using link_to with a block
<%= link_to root_path do %>
  <%= content_tag :span, "Home", :class => "home-link" %>
<% end %>
# => <a href="/"><span class="home-link">Home</span></a>


# Adding html classes and/or id to the link:
<%= link_to "Section", root_path, :class => "my-class", :id => "my-id" %>
# => <a href="/" class="my-class" id="my-id">Section</a>


# How to delete a record with link_to:
<%= link_to "Remove", @user, :method => :delete %>
# => <a rel="nofollow" data-method="delete" href="/users/1">Remove</a>


# Require confirmation for deleting a record:
<%= link_to "Remove", @user, :method => :delete, :data => {:confirm => "You Sure?"} %>
# => <a data-confirm="You Sure?" rel="nofollow" data-method="delete" href="/users/1">Remove</a>

## IMAGES
# Linking to an image with link_to:
<%= link_to image_tag('logo.png'), root_path %>
# => <a href="/"><img src="/assets/logo-c88948e05e11587af2c23747862ca433.png" alt="Logo"></a>

# or pass the image in a block:
<%= link_to root_path do %>
  <%= image_tag('logo.png') %>
<% end %>
# => <a href="/"><img src="/assets/logo-c88948e05e11587af2c23747862ca433.png" alt="Logo"></a>


# Add an alt attribute to the image:
<%= link_to image_tag('logo.png'), root_path, :alt => "MyLogo" %>
# => <a href="/"><img src="/assets/logo-c88948e05e11587af2c23747862ca433.png" alt="MyLogo"></a>


# Linking to an image path:
<%= link_to "Logo", image_path('logo.png') %>
# => <a href="/assets/logo-c88948e05e11587af2c23747862ca433.png">Logo</a>


# Anchors:
<%= link_to "Section", root_path(:anchor => "interesting-section") %>
# => <a href="/#interesting-section">Section</a>


# Ajax links with link_to remote:
<%= link_to "Ajax", root_path, :remote => true %>
# => <a data-remote="true" href="/">Ajax</a>


# POST-ing using link_to:
<%= link_to "Post", root_path, :method => :post %>
# => <a rel="nofollow" data-method="post" href="/">Post</a>
# You need the jquery-rails gem for this to work.

# Adding more params to the POST request:
<%= link_to "Create User", users_path(:email => "jdoe@email.com", :password => "secret"), :method => :post %>
# => <a rel="nofollow" data-method="post" href="/users?email=jdoe%40email.com&amp;password=secret">Create User</a>