完成用户信息设置功能

app/controllers/blogs_controller.rb

@@ -1,7 +1,9 @@
+#encoding: utf-8
 class BlogsController < ApplicationController
-  
+  before_filter :require_login, only: [:set, :set_userinfo, :upload_img, :set_blog, :update_blog, :change_password, :update_password]
   def index
-    
+    @articles = Article.order('updated_at desc').limit(10)
+    @new_comments = ArticleComment.order('updated_at desc').limit(10)
   end
 
   def set
@@ -9,11 +11,29 @@ class BlogsController < ApplicationController
   end
 
   def set_userinfo
-    
+    user = User.find @current_user.id
+    user.nick_name = params[:user][:nick_name] if params[:user][:nick_name].present?
+    begin
+      if params[:user][:avatar].present?
+        upload_info = upload_picture params[:user][:avatar]
+        user.avatar = "/images/#{upload_info[:real_file_name]}"
+      end
+    rescue UploadException => e
+      flash.now[:error] = e.message
+      render 'set'
+    else
+      if user.save
+        redirect_to set_blogs_path
+      else
+        flash.now[:error] = user.errors.full_messages.first
+        render 'set'
+      end
+    end
   end
 
   def set_blog
-    
+    @blog = BlogInfo.first
+    @blog = BlogInfo.new unless @blog
   end
 
   def update_blog
@@ -21,7 +41,7 @@ class BlogsController < ApplicationController
   end
 
   def about
-    
+    @blog = BlogInfo.first
   end
 
   def change_password
@@ -37,7 +57,12 @@ class BlogsController < ApplicationController
   end
 
   def preview
-    
+    result = {status: false, message: ''}
+    if params[:content]
+      result[:status] = true
+      result[:message] = markdown_parser params[:content]
+    end
+    render json: result.to_json
   end
 
   protected
@@ -45,4 +70,4 @@ class BlogsController < ApplicationController
   def upload_picture(file)
     
   end
-end
+end

app/views/blogs/set.html.haml

@@ -0,0 +1,79 @@
+.row
+  %h3.set_title 设置
+  = render 'set_sidebar'
+  .col-md-8
+    = form_for :user, url: set_userinfo_blogs_path, role: 'form' do |f|
+      .form-group
+        %label{for: 'user_nick_name'} 昵称
+        = f.text_field :nick_name, value: @current_user.nickname, placeholder: '昵称', class: 'form-control', size: 10
+      .form-group
+        %label{for: 'user_avatar'} 头像
+        .row.text-left
+          .col-md-2#img_preview
+            %img#set_user_avatar{src: "#{avatar_url(@current_user)}"}
+          .col-md-8.avatar-field
+            = f.file_field :avatar
+      .form-group
+        = f.submit '修改', class: 'btn btn-primary set-btn'
+
+
+:javascript
+  function previewImage(file){
+    var MAXWIDTH  = 80;
+    var MAXHEIGHT = 80;
+    var div = document.getElementById('img_preview');
+    if (file.files && file.files[0])
+    {
+      div.innerHTML = '<img id=imghead>';
+      var img = document.getElementById('imghead');
+      img.onload = function(){
+        var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth, img.offsetHeight);
+        img.height = rect.height;
+        img.style.marginTop = rect.top+'px';
+      }
+      var reader = new FileReader();
+      reader.onload = function(evt){img.src = evt.target.result;}
+      reader.readAsDataURL(file.files[0]);
+    }
+    else
+    {
+      var sFilter='filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src="';
+      file.select();
+      var src = document.selection.createRange().text;
+      div.innerHTML = '<img id=imghead>';
+      var img = document.getElementById('imghead');
+      img.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src = src;
+      var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth, img.offsetHeight);
+      status =('rect:'+rect.top+','+rect.left+','+rect.width+','+rect.height);
+      div.innerHTML = "<div id=divhead style='width:"+rect.width+"px;height:"+rect.height+"px;margin-top:"+rect.top+"px;margin-left:"+rect.left+"px;"+sFilter+src+"\"'></div>";
+    }
+  }
+
+  function clacImgZoomParam( maxWidth, maxHeight, width, height ){
+    var param = {top:0, left:0, width:width, height:height};
+    if( width>maxWidth || height>maxHeight )
+    {
+      rateWidth = width / maxWidth;
+      rateHeight = height / maxHeight;
+
+      if( rateWidth > rateHeight )
+      {
+        param.width =  maxWidth;
+        param.height = Math.round(height / rateWidth);
+      }else
+      {
+        param.width = Math.round(width / rateHeight);
+        param.height = maxHeight;
+      }
+    }
+
+    param.left = Math.round((maxWidth - param.width) / 2);
+    param.top = Math.round((maxHeight - param.height) / 2);
+    return param;
+  }
+
+  $(function(){
+    $("#user_avatar").change(function() {
+      previewImage(this);
+    });
+  });