基于微信小程序开发的仿微信demo(源代码+截图)

var app = getApp(); Page({ "data": { "items": [], "inEditMode": false, "selected": [] }, reload: function() { var items = []; for (var i=0; i<app.deals.length; i++) { if (app.deals[i].inFavorite) { items.push(app.deals[i]); } } items.sort(this.sortByOrder); // console.log(items); this.setData({ "items": items }); }, onLoad: function() { this.reload(); }, onShow: function() { this.reload(); }, sortByOrder: function(item1, item2) { return item2.favoriteOrder - item1.favoriteOrder; }, selectItems: function(e) { // console.log(e.detail); this.data.selected = e.detail.value; }, deleteItems: function(e) { var items = []; for (var i=0; i<app.deals.length; i++) { for (var j=0; j<this.data.selected.length; j++) { if (app.deals[i].pid == this.data.selected[j]) { app.deals[i].inFavorite = false; app.deals[i].favoriteOrder = -1; break; } } } app.saveData(); this.reload(); }, changeMode: function() { if (this.data.inEditMode) { this.setData({ "inEditMode": false }); } else { this.setData({ "inEditMode": true }); } }, moveUp: function(e) { var ind = parseInt(e.currentTarget.id.slice("up".length)); console.log(ind); if (ind == 0) { return; } this.move('up', ind); // var pidToUp = this.data.items[ind].pid; // var pidToDown = this.data.items[ind-1].pid; // for (var i=0; i<app.deals.length; i++) { // if (app.deals[i].pid == pidToUp) { // app.deals[i].favoriteOrder += 1; // } else if (app.deals[i].pid == pidToDown) { // app.deals[i].favoriteOrder -= 1; // } // } // var items = []; // for (var i=0; i<this.data.items.length; i++) { // if (i == ind - 1) { // items[i] = this.data.items[ind]; // } else if (i == ind) { // items[i] = this.data.items[ind - 1]; // } else { // items[i] = this.data.items[i]; // } // } // this.setData({ // "items": items // }); }, moveDown: function(e) { // console.log(e.currentTarget.id); var ind = parseInt(e.currentTarget.id.slice("down".length)); console.log(ind); if (ind == this.data.items.length - 1) { return; } this.move('down', ind); }, move: function(mode, ind) { var pidToUp = -1; var pidToDown = -1; if (mode == 'up') { pidToUp = this.data.items[ind].pid; pidToDown = this.data.items[ind-1].pid; } else { pidToUp = this.data.items[ind+1].pid; pidToDown = this.data.items[ind].pid; } for (var i=0; i<app.deals.length; i++) { if (app.deals[i].pid == pidToUp) { app.deals[i].favoriteOrder += 1; } else if (app.deals[i].pid == pidToDown) { app.deals[i].favoriteOrder -= 1; } } var items = []; for (var i=0; i<this.data.items.length; i++) { if (i == ind - 1) { if (mode == 'up') { items[i] = this.data.items[ind]; } else { items[i] = this.data.items[i]; } } else if (i == ind) { if (mode == 'up') { items[i] = this.data.items[ind - 1]; } else if (mode == 'down') { items[i] = this.data.items[ind + 1]; } else { items[i] = this.data.items[i]; } } else if (i == ind + 1) { if (mode == 'down') { items[i] = this.data.items[ind]; } else { items[i] = this.data.items[i]; } } else { items[i] = this.data.items[i]; } } this.setData({ "items": items }); } })