node.js - 如何使用 bookshelf-pagemaker 添加简单的Where子句

Question

使用bookshelf-pagemaker NodeJS 模块:

• https://www.npmjs.com/package/bookshelf-pagemaker
• https://github.com/bhoriuchi/bookshelf-pagemaker

..我能够进行基本的分页工作，它从表中选择所有行。但我不知道如何向查询添加 WHERE 子句。

QUESTION:

Can someone please share a small example of using bookshelf-pagemaker with search criteria - e.g. SELECT * FROM user WHERE id > 10 ?

var Bookshelf = require('bookshelf').mysqlAuth;
var pagemaker = require('bookshelf-pagemaker')(Bookshelf);

var UserDAO = Bookshelf.Model.extend({
    tableName: 'user'
});

function getRegisteredUsers(pageNum, pageSize, offset, callback) {   

    var args = {
        params: {
            start: offset,
            page: pageNum,
            length: pageSize
        },
        model: UserDAO
    };

    var resultObj = pagemaker.datatables.paginate(args);
    resultObj.then(function (result) {
        console.log('Enter: paginate(args)');
        callback(result);
    });
}

Answer 1

我在新发布的 0.1.3 版本中添加了对此的支持。现在，您可以向传递给分页函数的 args 对象提供 where 语句。您提供的 sql 语句将添加一个 and 到过滤器 sql 中，这样您仍然可以使用搜索功能

你的args对象看起来像

    var args = {
        params: {
            start: offset,
            page: pageNum,
            length: pageSize
        },
        model: UserDAO,
        where: '(id > 10 AND id < 100)'
    };

var resultObj = pagemaker.datatables.paginate(args);

resultObj.then(function (result) {
        paginateHandler(result);
    });
}

function paginateHandler (result) 
{
    var numPaginatedRecords = result.recordsFiltered;

    var pagesTotal = Math.ceil(numPaginatedRecords / ITEMS_ON_PAGE);

    res.render('my_paginated_view', {
        data: result.data,
        currentPage: <from URL or default 1>,
        pagesCount: pagesTotal
    });
};