テキストエディタ(wysihtml5)を使用しています.データベースにデータを保存する際に問題があります.20行以上入力した場合. 「 Mysql2::Error: Data too long for column 'description' at row 1」のようなエラーが表示されます.そして私はrails4を使用しています.
モデル内
class News < ActiveRecord::Base
attr_accessible :name,:published_on,:description
#associations
validates :name, presence: true
validates :published_on, presence: true
validates :description, presence: true
end
コントローラー内
class NewsController < ApplicationController
layout :setting_layout
before_action :set_news, only: [:show, :edit, :update, :destroy]
# GET /news
# GET /news.json
def index
@news = News.all
end
# GET /news/1
# GET /news/1.json
def show
end
# GET /news/new
def new
@news = News.new
end
# GET /news/1/edit
def edit
end
# POST /news
# POST /news.json
def create
@news = News.new(news_params)
respond_to do |format|
if @news.save
format.html { redirect_to @news, notice: 'News was successfully created.' }
format.json { render action: 'show', status: :created, location: @news }
else
format.html { render action: 'new' }
format.json { render json: @news.errors, status: :unprocessable_entity }
end
end
end
# PATCH/PUT /news/1
# PATCH/PUT /news/1.json
def update
respond_to do |format|
if @news.update(news_params)
format.html { redirect_to @news, notice: 'News was successfully updated.' }
format.json { head :no_content }
else
format.html { render action: 'edit' }
format.json { render json: @news.errors, status: :unprocessable_entity }
end
end
end
# DELETE /news/1
# DELETE /news/1.json
def destroy
@news.destroy
respond_to do |format|
format.html { redirect_to news_index_url }
format.json { head :no_content }
end
end
private
# Use callbacks to share common setup or constraints between actions.
def set_news
@news = News.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def news_params
params.require(:news).permit(:name, :published_on, :description)
end
end
ビューで
<%= simple_form_for @news, html: {class: 'form-inline form-horizontal'}, :validate => true do |f|%>
<p><font color="red">Fields with * are required.</font></p>
<div class="inputs">
<%= f.input :name %>
<%= f.input :published_on, as: 'string', input_html: {class: 'datepicker'} %>
<%= f.input :description, as: 'text', :input_html =>{:rows => '100', :cols => '100', :class => 'input wysihtml5' }%>
</div>
<div class="form-actions">
<%= button_tag(type: 'submit', class: "btn btn-primary") do %>
<i class="icon-ok icon-white"></i> Save
<% end %>
</div>
<% end %>
Jsファイル内
$(document).ready(function(){
$(".wysihtml5").wysihtml5();
})
ビューでは、行と列の値を指定しました。ただし、cols値のみを取ります。