+ 干燥失重添加保存功能（实验性）

2022-07-21 16:26:49 +08:00
parent 57ca66a5bd
commit 7ec9adad26
2 changed files with 97 additions and 1 deletions
--- a/lod.html
+++ b/lod.html
@@ -37,6 +37,8 @@

            $(".msgbox").append(tip)

+            loadSavedContentsList();
+
            $("#ok").click(function () {
                var m0l = input_m0l.value;
                var m1l = input_m1l.value;
@@ -92,6 +94,78 @@
                window.open(window.location.href, "_blank");
            });

+            var timer;
+            var isSave = true;
+            $("#save_and_restore").bind("touchstart mousedown", event => {
+                event.preventDefault();
+                timer = setTimeout(() => {
+                    let save = $("#save");
+                    let restore = $("#restore");
+
+                    if (isSave) {
+                        save.removeAttr("style");
+                        restore.attr("style", "color: deepskyblue;");
+                    } else {
+                        restore.removeAttr("style");
+                        save.attr("style", "color: deepskyblue;");
+                    }
+                    isSave = !isSave;
+                }, 1000);
+            });
+
+            $("#save_and_restore").bind("touchmove mouseleave", event => {
+                event.preventDefault();
+                clearTimeout(timer);
+                timer = null;
+                return false;
+            });
+
+            $("#save_and_restore").bind("touchend mouseup", event => {
+                event.preventDefault();
+                clearTimeout(timer);
+                return false;
+            });
+
+            $("#save_and_restore").bind("click", event => {
+                event.preventDefault();
+                let id = $("#lod-name").val();
+
+                if (id.length == 0) {
+                    alert("请输入或选择样品批号！");
+                    return;
+                }
+
+                if (isSave) {
+                    // save data to localStorage
+                    let m0l = input_m0l.value;
+                    let m1l = input_m1l.value;
+                    let m3l = input_m3l.value;
+                    let m0r = input_m0r.value;
+                    let m1r = input_m1r.value;
+                    let m3r = input_m3r.value;
+
+                    let lod = {
+                        "m0l": m0l,
+                        "m1l": m1l,
+                        "m3l": m3l,
+                        "m0r": m0r,
+                        "m1r": m1r,
+                        "m3r": m3r
+                    };
+                    localStorage.setItem(id, JSON.stringify(lod));
+                    loadSavedContentsList();
+                } else {
+                    let lod = JSON.parse(localStorage.getItem(id));
+                    input_m0l.value = lod.m0l;
+                    input_m1l.value = lod.m1l;
+                    input_m3l.value = lod.m3l;
+                    input_m0r.value = lod.m0r;
+                    input_m1r.value = lod.m1r;
+                    input_m3r.value = lod.m3r;
+                }
+
+            })
+
            if (debug) {
                document.getElementById("m0l").value = 18.34625;
                document.getElementById("m1l").value = 1.04213;
@@ -99,6 +173,20 @@
            }
        });

+        function loadSavedContentsList() {
+            // load data from localStorage to input.
+            let keys = [];
+            $("#keys").empty();
+            for (let i = 0; i < localStorage.length; i++) {
+                keys.push(localStorage.key(i));
+            }
+            keys.forEach(key => {
+                let option = document.createElement("option");
+                option.innerText = key;
+                $("#keys").append(option);
+            });
+        }
+
        function message(msg) {
            $(".msgbox").empty();
            $(".msgbox").append(msg);
@@ -135,7 +223,7 @@

 <body>
    <h3>干燥失重</h3>
-    <input type="text" name="lod-name" id="lod-name" placeholder="样品批号"><br><br>
+    <input type="text" name="lod-name" id="lod-name" list="keys" placeholder="样品批号"><br><br>

    <div class="one-team">
        第一组<br>
@@ -156,10 +244,16 @@
    <div class="buttons">
        <button id="new_page">新开标签页</button>
        <button id="clear">清除内容</button>
+        <button id="save_and_restore">
+            <span id="save" style="color: deepskyblue;">保存</span>
+            /
+            <span id="restore">恢复</span>
+        </button>
        <button id="ok">计算</button>
    </div>

    <div class="msgbox"></div>
+    <datalist id="keys"></datalist>

 </body>