diff --git "a/26\351\231\210\344\275\263\347\202\234/day1209\344\275\234\344\270\232\347\254\224\350\256\260.md" "b/26\351\231\210\344\275\263\347\202\234/day1209\344\275\234\344\270\232\347\254\224\350\256\260.md"
new file mode 100644
index 0000000000000000000000000000000000000000..6c8914218af3968ccbfe8f50b2b41c70557996d4
--- /dev/null
+++ "b/26\351\231\210\344\275\263\347\202\234/day1209\344\275\234\344\270\232\347\254\224\350\256\260.md"
@@ -0,0 +1,143 @@
+作业
+
+```
+/**
+ * 目标1：渲染图书列表
+ *  1.1 获取数据
+ *  1.2 渲染数据
+ */
+const tbody = document.querySelector('.list');
+// 通用的外号
+const creator = '大帅哥';
+// 封装一个先获取数据，再渲染数据的函数
+function render() {
+    axios({
+        url: 'https://hmajax.itheima.net/api/books',
+        params: {
+            creator: creator
+        }
+    }).then(result => {
+        // console.log(result);
+        const bookList = result.data.data;
+        const trHtml = bookList.map((item, i) => {
+            const { id, author, bookname, publisher } = item
+            return `
+   <tr>
+   <td>${i + 1}</td>
+   <td>${bookname}</td>
+   <td>${author}</td>
+   <td>${publisher}</td>
+   <td data-id=${id}>
+   <span class="del">删除</span>
+   <span class="edit">编辑</span>
+   </td>
+   </tr>
+   `
+        }).join('')
+        // console.log(trHtml);
+        tbody.innerHTML = trHtml;
+    })
+}
+// 打开网页就得先调用一次函数
+render();
+// 实现添加事件
+const form = document.querySelector('.add-form');
+// 为了控制添加的弹窗，先获取
+const addModalBox = document.querySelector('.add-modal');
+const addModal = new bootstrap.Modal(addModalBox);
+// 给保存添加点击事件
+const add = document.querySelector('.add-btn')
+add.addEventListener('click', () => {
+    // 采集数据
+    const book = serialize(form, { hash: true, empty: true })
+    console.log(book);
+    // 将数据用axios调用接口，提交给服务器
+    axios({
+        url: 'https://hmajax.itheima.net/api/books',
+        method: 'post',
+        data: {
+            creator,
+            ...book
+        }
+    }).then(result => {
+        // console.log(result);
+        // 清空表单
+        form.reset();
+        // 关闭弹窗
+        addModal.hide();
+        // 重新获取列表并渲染
+        render();
+    })
+
+})
+
+//  删除事件
+tbody.addEventListener('click', (e) => {
+    // console.log(e.target);
+    if (e.target.classList.contains('del')) {
+        console.log('删除');
+        //   获取删除id
+        // console.log(e.target.parentNode.dataset.id);
+        const id = e.target.parentNode.dataset.id
+        axios({
+            url: `https://hmajax.itheima.net/api/books/${id}`,
+            method: 'delete',
+
+        }).then(result => {
+            console.log(result)
+            // 重新渲染
+            render()
+        })
+    }
+})
+
+//   编辑图书功能
+tbody.addEventListener('click', (e) => {
+    if (e.target.className === 'edit') {
+        // console.log('修改');
+        // 创建一个弹窗的对象
+        const form = document.querySelector('.edit-form')
+        // 获取弹窗
+        const edit = document.querySelector('.edit-modal')
+        const editModal = new bootstrap.Modal(edit)
+        editModal.show()
+        // 获取id
+        const id = e.target.parentNode.dataset.id;
+        // 通过id调用接口 查询对应的图书数据
+        axios({
+            url: 'https://hmajax.itheima.net/api/books/' + id
+        }).then(result => {
+            // console.log(result.data.data);
+            const book = result.data.data;
+            const { id, author, bookname, publisher } = book;
+            // 将图书馆数据显示到表单
+            form.querySelector('.id').value = id;
+            form.querySelector('.bookname').value = bookname;
+            form.querySelector('.author').value = author;
+            form.querySelector('.publisher').value = publisher;
+        })
+
+        //   修改按钮
+        const editbtn = document.querySelector('.edit-btn');
+        editbtn.addEventListener('click', () => {
+            //  采集数据
+            const book = serialize(form, { hash: true, empty: true })
+            console.log(book);
+            // 提交接口
+            axios({
+                url: 'https://hmajax.itheima.net/api/books/' + id,
+                method: 'put',
+                data:{
+                    creator,
+                    ...book
+                }
+            }).then(result => {
+                editModal.hide()
+                render()
+                // console.log(result);
+            })
+        })
+    }
+}) 
+```
+\ No newline at end of file
\ No newline at end of file