odoo 分组视图下显示同一批次记录的总数

修改前：

修改后：

xml文件：

<?xml version="1.0" encoding="utf-8"?>
<!-- vim:fdn=3:
-->
<openerp>
    <data>
        <template id="assets_backend" name="rhwl_gene_inherit assets" inherit_id="web.assets_backend">
            <xpath expr="." position="inside">
                <script type="text/javascript" src="/rhwl_gene_inherit/static/js/rhwl_gene_inherit.js"></script>
            </xpath>
        </template>
    </data>
</openerp>

js文件：

openerp.rhwl_gene_inherit = function (instance) {    var _t = instance.web._t,        _lt = instance.web._lt;    var QWeb = instance.web.qweb;

    instance.web.rhwl_gene_inherit = instance.web.rhwl_gene_inherit || {};

    instance.web.rhwl_gene_inherit.SearchView = instance.web.ListView.Groups.extend({        init: function (view, options) {            this._super.apply(this, arguments);            // all_batch_str ：全局变量用于保存批次名和该批次对应的数量            this.all_batch_str = {};            var self = this;            var Mod = new instance.web.Model(‘rhwl.easy.genes.new‘);            Mod.call("get_all_batch_num").then(function(all_batch_num) {                        self.all_batch_str = all_batch_num;                    });        },

        render_groups: function (datagroups) {            var self = this;            for ( var i = 0; i <  datagroups.length; i++) {                if (datagroups[i].grouped_on === "batch_no"){                    var batch_no_name = datagroups[i].value;                    var current_num = datagroups[i].length;                    for (batch_str in self.all_batch_str) {                        if (batch_str === batch_no_name){                            datagroups[i].length = current_num+"/"+self.all_batch_str[batch_str];                        }                    }                }            }            placeholder = this._super.apply(this, arguments);            return placeholder;        }     });

    instance.web.views.add(‘rhwl_gene_inherit_ListView‘, ‘instance.web.rhwl_gene_inherit.ListView‘);    instance.web.rhwl_gene_inherit.ListView = instance.web.ListView.extend({         init: function (parent, dataset, view_id, options) {             this._super(parent, dataset, view_id, _.extend(options || {}, {                GroupsType: instance.web.rhwl_gene_inherit.SearchView             }));         }    });};

py文件：

    def get_all_batch_num(self, cr, uid, context=None):
        res = {}
        sql_str = "SELECT batch_no, count(*) as batch_count from rhwl_easy_genes_new WHERE  batch_no is not NULL GROUP BY batch_no "
        cr.execute(sql_str)
        for i in cr.fetchall():
            res.update({i[0]: i[1]})
        return res

原文地址：https://www.cnblogs.com/dancesir/p/10724350.html