摘要：
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv 阅读全文
摘要：
代码: <template> <div> <el-container> <el-aside width="230px"> <div> <!-- style="width:244px" --> <el-menu default-active="2" @open="handleOpen" @close= 阅读全文