<el-form-item prop="username">
                    <el-input v-model="param.username" placeholder="username">
                        <el-button slot="prepend" icon="el-icon-lx-people"></el-button>
                    </el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input
                        type="password"
                        placeholder="password"
                        v-model="param.password"
                        @keyup.enter.native="submitForm()"
                    >
                        <el-button slot="prepend" icon="el-icon-lx-lock"></el-button>
                    </el-input>
                </el-form-item>

标题

第一点
在这里插入图片描述
第二点
@keyup.enter.native=“submitForm()”
这个过程中进行表单验证