php Laravel在数据库中搜索字符串

Posted 2021-05-05

https://stackoverflow.com/questions/13386774/using-eloquent-orm-in-laravel-to-perform-search-of-database-using-like
<?php
// ###################### IN YOUR CONTROLLER #########################
public function searchTask() {
    $value = Input::get('search_task');
    $tasks = Task::where('task', 'LIKE', '%' . $value . '%')->limit(25)->get();

    return view('task.search', compact('value', 'tasks')  ) ;
}


// ######  IN YOUR LIST TEMPLATE WHERE THE SEARCH BOX IS LOCATED:  #############
@extends('layout')

@section('content')

<div class="row">
    <div class="col-md-6">
        <h1>ALL TASKS</h1>
    </div>

    <div class="col-md-6">
        <form action="{{ route('task.search') }}" class="navbar-form" role="search" method="GET">
           
            <div class="input-group">
                <input type="text" class="form-control" placeholder="Search Task..." name="search_task">
                <span class="input-group-btn">
                    <button type="submit" class="btn btn-default">
                        <span class="glyphicon glyphicon-search">
                            <span class="sr-only">Search...</span>
                        </span>
                    </button>
                </span>
            </div>
        </form>
    </div> 


</div>
@if ( !$tasks->isEmpty() ) 

    @foreach ( $tasks as $task)


         <div class="task_list"><span class="glyphicon glyphicon-list-alt" aria-hidden="true"></span> {{ $task->task }} 
            <br>
            <a href="{{ route('task.delete', ['id' => $task->id]) }}" class="btn btn-danger"> x </a>
            <a href="{{ route('task.edit', ['id' => $task->id]) }}" class="btn btn-primary"> edit </a>

            @if ( $task->priority == 0 )
                <span class="label label-info">Priority: Normal</span>
            @else
                <span class="label label-danger">Priority: High</span>
            @endif

            <!-- <a href="{{ route('task.list', ['id' => $task->project_id]) }}" class="btn btn-primary"> list </a> -->
            @if ( !$task->completed )
                <a href="{{ route('task.completed', ['id' => $task->id]) }}" class="btn btn-warning"> Mark as completed</a>
            @else
                <span class="label label-success">Completed</span>
            @endif
            <hr>
        </div>


    @endforeach

@else 

    <p><em>There are no tasks yet</em></p>

@endif



@stop


//########################  IN YOUR SEARCH TEMPLATE ###########################
@extends('layout')

@section('content')


<h1>Displaying Results for:  "{{ $value }}" </h1>

@if ( !$tasks->isEmpty() )  

    @foreach ( $tasks as $task)

        <div class="task_list"><span class="glyphicon glyphicon-list-alt" aria-hidden="true"></span> {{ $task->task }} 
            <br>
            <a href="{{ route('task.delete', ['id' => $task->id]) }}" class="btn btn-danger"> x </a>
            <a href="{{ route('task.edit', ['id' => $task->id]) }}" class="btn btn-primary"> edit </a>

            @if ( $task->priority == 0 )
                <span class="label label-info">Priority: Normal</span>
            @else
                <span class="label label-danger">Priority: High </span>
            @endif

            @if ( !$task->completed )
                <a href="{{ route('task.completed', ['id' => $task->id]) }}" class="btn btn-warning"> Mark as completed</a>
            @else
                <span class="label label-success">Completed</span>
            @endif
            <hr>
        </div>
    @endforeach

@else 
    <p><em>There are no tasks that match {{ $value }}</em></p>
@endif
    <div class="btn-group">
        <a class="btn btn-default" href="{{ redirect()->getUrlGenerator()->previous() }}">Go Back</a>
    </div>
@stop




// ##################### IN YOUR WEB ROUTES ##############################
<?php

Route::get('/', function () {
    return view('welcome');
});


Route::group(['prefix' => 'admin', 'middleware' => 'auth'], function(){


	// ===================== PROJECTS ======================
	Route::get('/projects', 'ProjectController@index')->name('project.show') ;

	Route::get('/projects/create', 'ProjectController@create')->name('project.create') ;

	// Store the new project from the form posted with the view Above
	Route::post('/projects/store', 'ProjectController@store')->name('project.store');


	// ====================  TASKS =======================
	Route::get('/tasks','TaskController@index')->name('task.show') ;

	// Display the Create Task View form
	Route::get('/tasks/create', 'TaskController@create')->name('task.create'); 

	// Store the new task from the form posted with the view Above
	Route::post('/tasks/store', 'TaskController@store')->name('task.store');

	// Search view
	Route::get('/tasks/search', 'TaskController@searchTask')->name('task.search');


	Route::get('/tasks/edit/{id}','TaskController@edit')->name('task.edit');
	Route::get('/tasks/list/{projectid}','TaskController@list')->name('task.list');
	Route::get('/tasks/delete/{id}', 'TaskController@destroy')->name('task.delete') ;
	Route::post('/tasks/update/{id}', 'TaskController@update')->name('task.update') ;
	Route::get('/tasks/completed/{id}','TaskController@completed')->name('task.completed');

	// ===================================================

});

Auth::routes();